Catalog item
Request a quoteVALVE,REGULATING,FLUID PRESSURE
4820FSC
01NCB code
701-1747Item number
NIIN 01-701-1747
- DEMIL code
- A
Identification
- Item name code
- 27565
- PINC
- 0027565
- Criticality code
- X
- II
- 0
- DEMIL code
- A
- DEMIL integrity code
- 1
- NIIN assigned
- 02-MAY-22
- Precious metals indicator
- A
- ADP equipment code
- 0
- Hazardous material indicator
- N
- ESD/EMI code
- A
- Schedule B export code
- 8481809015
Part numbers
Characteristics
| BODY STYLE | |
|---|---|
| FURNISHED ITEMS | FILTER |
| OVERALL LENGTH | MILLIMETERS NOMINAL 250.52 |
| FIRST END CONNECTION TYPE | THREADED INTERNAL TUBE |
| FIRST END STYLE DESIGNATOR | |
| FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | MILLIMETERS NOMINAL 26.9875 |
| FIRST END THREAD CLASS | 3A |
| FIRST END THREAD DIRECTION | LOCATION NOT OTHERWISE SPECIFIED RIGHT-HAND |
| SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| SECOND END CONNECTION TYPE | THREADED INTERNAL TUBE |
| SECOND END STYLE DESIGNATOR | |
| SECOND END OUTSIDE DIAMETER TUBE ACCOMMODATED | MILLIMETERS NOMINAL 33.3375 |
| SECOND END THREAD CLASS | 3A |
| SECOND END THREAD DIRECTION | RIGHT-HAND |
| FIRST END SEAT ANGLE IN DEG | 0.0 |
| FLOW CONTROL DEVICE | POPPET AND DISK |
| END CONNECTION QUANTITY | 2 |
| REGULATION TYPE | AUTOMATIC DOUBLE STAGE |
| VALVE LOADING METHOD | SPRING |
| MAXIMUM INLET PRESSURE RATING | POUNDS PER SQUARE INCH (PSI) 4500.0 |
| OUTLET PRESSURE SETTING | POUNDS PER SQUARE INCH (PSI) 2400.0 |
| TEMP RATING | CELSIUS MINIMUM -54.0 AND CELSIUS MAXIMUM 85.0 |
| END CONNECTION SPEC/STD | AS33514E12 AND AS33514E16 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PRIORITY VALVE |
| SPECIAL FEATURES | LINE REPLACEABLE UNIT (LRU) THAT IS PURELY MECHANICAL. VALVE WORKS AS A HIGH PRESSURE RELIEF VALVE VENTED TO ATMOSPHERE FROM INLET TO OUTLET AND IN THE REVERSE DIRECTION IT WORKS AS A CHECK VALVE. HOUSING: ALUMINUM ALLOY (2024-T351) PER AMS-QQ-A-225/6 AND ANODIZED. FOUR FILTERS USED FOR VENTING THE VALVE TO ATMOSPHERE ARE A BRONZED SINTER METAL DISC THAT IS SECURED WITH A CRES SHIM AND RETAINING RING. IS A FLARELESS TUBE UNION PER SAE-AS21902J16 WHILE THE OUTLET IS A FLARELESS TUBE REDUCER PER SAE-AS21916J16-12; BOTH ARE MADE OUT OF 304 CRES. THE EXTERNAL AND INTERNAL SEALING ARE PROVIDED BY O-RINGS MADE OF EPDM ELASTOMER AND PTFE BACK-UP RINGS. FITTINGS O-RINGS CONFORMS TO NAS 1612 AND INTERNAL O-RINGS TO NAS 1611. CRACKING PRESSURE: 2,400 PSIG (145 BAR) MINIMUM. RATED FLOW 20 GPM AT 180 PSID WITH 2,700 PSIG AT THE INLET. NORMAL SYSTEM PRESSURE 3,000 PSIG (207 BAR); PROOF PRESSURE 4,500 PSIG (311 BAR); BURST PRESSURE 7,500 PSIG (518 BAR). |
| MATERIAL | PACKING RUBBER SYNTHETIC |
| MATERIAL DOCUMENT AND CLASSIFICATION | BODY INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES A-S-QQ-A-225 TO 6 |
| MATERIAL DOCUMENT AND CLASSIFICATION | PACKING AEROSPACE MATERIAL SPEC STD ALL MATERIAL RESPONSES NAS1612 AND AEROSPACE MATERIAL SPEC STD ALL MATERIAL RESPONSES NAS 1611 |
| MEDIA FOR WHICH DESIGNED | LOCATION NOT OTHERWISE SPECIFIED HYDRAULIC FLUID, PHOSPHATE-ESTER BASE |
| PROPRIETARY CHARACTERISTICS | PACS |
| SURFACE TREATMENT | BODY ANODIZE |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | FIRST END UNIFIED NATIONAL JOINT (UNJ) 3 |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | SECOND END UNIFIED NATIONAL JOINT (UNJ) 3 |
MOE rules
| MOE rule | MOE CD | Date assigned | PICA | PICA LOA | Auth collab |
|---|---|---|---|---|---|
| WZ01 | WZ | 01-OCT-25 | WZ | 81 | WZ |
| YA01 | YA | 01-JUL-22 | YA | 81 | YA |
| ZP01 | ZP | 01-MAY-22 | ZP | 81 | ZP |
Freight
- ACTY CD
- ZP
Related items
Standardization
- Item standardization code
- 5
- Orig stdzn dec
- 97
- Dt stdzn dec
- 02-MAY-2022
- NIIN status code
- 0
Request a quote
Your request goes to A-DEFENSE, a US Defense supplier in Texas, who will reply by email.