Catalog item
Request a quoteREDUCER,BOSS
4730FSC
00NCB code
804-1903Item number
NIIN 00-804-1903
- Unit price
- $183.39
- Unit of issue
- EA
- Source of supply
- SMS
- DEMIL code
- A
Identification
- Item name code
- 23541
- PINC
- 0023541
- Criticality code
- X
- II
- 0
- DEMIL code
- A
- DEMIL integrity code
- 1
- NIIN assigned
- 01-JAN-63
- Precious metals indicator
- U
- Hazardous material indicator
- N
- Schedule B export code
- 7609000000
Management
| Effective date | Major organizational entity | Acquisition advice code | Source of supply | Unit of issue | Unit of measure quantity | Unit price | Quantity per unit pack | Controlled inventory item code | Shelf-life code | Recoverability code | Management control | Net price | USC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01-OCT-2026 | DA | Z | SMS | EA | 0.0000 | $183.39 | 1 | U | 0 | Z | J2200X- | $0.00 | A |
| 01-OCT-2026 | DF | Z | SMS | EA | 0.0000 | $183.39 | 1 | U | 0 | N | SF9---V | $0.00 | F |
| 01-OCT-2026 | DN | Z | SMS | EA | 0.0000 | $183.39 | 1 | U | 0 | 9B----- | $0.00 | N | |
| 01-OCT-2026 | DS | Z | SMS | EA | 0.0000 | $183.39 | 1 | U | 0 | N | ------- | $0.00 | I |
Part numbers
| Part number | CAGE | CAGE status | RNCC | RNVC | Document availability code | RNAAC | RNFC | RNSC |
|---|---|---|---|---|---|---|---|---|
| AS4841 | 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC | R | 5 | 9 | E | ZZ | B | |
| AS5174D2004 | 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC | R | 5 | 9 | E | ZZ | B | |
| MS24399D25 | 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | A | 5 | 9 | 3 | AX | 3 | B |
| AS4841 | 0U583 SAE INTERNATIONAL DBA SAE INTERNATIONAL | A | 5 | 9 | E | ZZ | B | |
| SAE-AS4841 | 0U583 SAE INTERNATIONAL DBA SAE INTERNATIONAL | A | 3 | 1 | E | ZZ | ||
| AS5174D2004 | 0U583 SAE INTERNATIONAL DBA SAE INTERNATIONAL | A | 3 | 2 | E | ZZ |
Characteristics
| MATERIAL | OVERALL ALUMINUM ALLOY |
|---|---|
| REDUCER TYPE | CONCENTRIC |
| MOUNTING END TYPE | SADDLE FLANGE |
| CONNECTION STYLE | |
| CONNECTION TYPE | ALL ENDS THREADED EXTERNAL TUBE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE -IL-A-8625,TY 2,CL 2 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | SECOND END INCHES 0.250 |
| NOMINAL OVERALL LENGTH | INCHES 1.890 |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | FIRST END UNIFIED NATIONAL JOINT (UNJ) |
| THREAD SERIES DESIGNATOR | SECOND END UNIFIED NATIONAL JOINT FINE (UNJF) |
| SPECIFICATION/STANDARD DATA | GOVERNMENT STANDARD 81343-AS5174D2004 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 4,T6 |
| SURFACE TREATMENT | OVERALL ANODIZE |
| OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0 |
| SEAT ANGLE | ALL ENDS DEGREES 37.0 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | FIRST END INCHES 1.250 |
| NOMINAL THREAD SIZE | FIRST END INCHES 1.625 |
| NOMINAL THREAD SIZE | SECOND END INCHES 0.438 |
| THREAD QUANTITY PER INCH | 12 |
MOE rules
| MOE rule | MOE CD | AMC | AMSC | Date assigned | IMC | IMCA | PICA | PICA LOA | SICA | SICA LOA | Auth collab | Supp collab | Fmr MOE rl |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| YJ01 | YJ | 01-APR-91 | YJ | 81 | YJ | ||||||||
| ZC01 | ZC | 01-APR-91 | ZC | 81 | ZC | ||||||||
| ZU01 | ZU | 01-APR-91 | ZU | 81 | ZU | ||||||||
| A920 | DA | 1 | T | 01-APR-05 | Z | CD | GX | 01 | CD | 5D | GX CD | CT | A181 |
| FXGC | DF | 1 | T | 01-APR-05 | Z | SX | GX | 01 | SX | 5D | TU GX | FXAX | |
| N9BC | DN | 1 | T | 01-APR-05 | Z | GH | GX | 01 | GH | 5D | GX | GT KE | N9CD |
Management phrases
| Major organizational entity | USC | Phrase code | Phrase | Order of use | Quantity per assembly |
|---|---|---|---|---|---|
| DS | I | 7 | SUBSTITUTE FOR 4730-00-187-3597 | AAA | 0 |
| DS | I | DOD I&S FAMILY MASTER NSN: 4730008041903 | ABA | 0 |
Service data
Army
- Matcat 1
- J
- Matcat 2
- 2
- Matcat 3
- 2
- Matcat 4 5
- 00
- ARC
- X
Navy
- COG
- 9B
Air Force
- Fund
- SF
- Budget
- 9
- PVC
- V
- ERRC
- N
Freight
- ACTY CD
- XX
- NMFC
- 052200
- NMFC sub
- Z
- Uniform freight class
- 00000
- Less than truckload
- W
- Water commodity code
- 576
- Type of cargo code
- Z
- Special handling code
- 9
- Air dimension code
- A
- Air commodity code
- BZ
- NMF description
- PIPE, TUBING, FITTINGS SUB21
Packaging
Unit and preservation
- PICA SICA
- P
- PKG cat
- 46ZZ
- Unpackaged weight
- 0.1000
- Unpackaged width
- 1.300
- Unpackaged length
- 1.300
- Unpackaged height
- 0.500
- TOS
- B
- Intermediate container qty
- AAAQuantity set by MIL-STD-2073-1E B.5: up to 100 unit packs, a maximum net load of 40 pounds, and a maximum of 1.5...
- Method of preservation
- 31Waterproof bag, heat sealed
- Clng drying
- 1Any suitable process that is not injurious to the item.
- Pres mat
- 00No requirement
- Wrap mat
- 00No requirement
- Cush dun
- ZZSpecial requirements.
- THK
- C3/4 inch thick
- Unit cont
- ZZSpecial requirement – See specific instructions or drawings provided.
- PKG data source
- P
Unit pack
- PICA SICA
- P
- SPC MKG
- 00No special marking
- Inter cont
- DOAny suitable fiber box included in this table may be used (see J.4.9.1).
- UCL
- OUnit container is not an acceptable shipping container.
- Lvl A
- QPacking shall be accomplished in accordance with table C.II for the packing level specified.
- Lvl b
- QPacking shall be accomplished in accordance with table C-II for the packing level specified.
- Lvl c
- UItems or packages that require packing for acceptance by the carrier shall be packed in exterior type shipping...
- Unit pack weight
- 0.2000
- UP SZ MAXB
- 2.50000
- UP SZ MAXL
- 2.50000
- UP SZ MAXH
- 0.70000
- Unit pack cube
- 0.0100
- OPI
- OOptions can be exercised as to specific method of preservation or DoD approved packaging materials to be used.
Packaging instructions
- PICA SICA
- P
- SPI date
- 00000
Related items
Standardization
| Related NSN | Item standardization code | Orig stdzn dec | Dt stdzn dec | NIIN status code |
|---|---|---|---|---|
| 4730-00-187-3597 | 3 | AX | 10-JUN-2025 | 0 |
| 1 | AX | 10-JUN-2025 | 0 | |
| 3 | AX | 10-JUN-2025 | 0 |
Request a quote
Your request goes to A-DEFENSE, a US Defense supplier in Texas, who will reply by email.