Catalog item

BOLT,CLOSE TOLERANCE

5306FSC
00NCB code
638-8247Item number
NIIN 00-638-8247
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DEMIL code
A

Identification

Item name code
27851
PINC
0027851
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
Last known source of supply
SMS

Part numbers

Part number
AN175-21A
CAGE
88044
AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
CAGE status
A
RNCC
2
RNVC
2
Document availability code
E
RNAAC
XX
RNFC
3
RNSC
D

Characteristics

SURFACE TREATMENTOVERALL CADMIUM AND CHROMATE
GRIP DIAMETERINCHES MINIMUM 0.3112 AND INCHES MAXIMUM 0.3117
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTHINCHES MINIMUM 0.499 AND INCHES MAXIMUM 0.578
HARDNESS RATINGOVERALL ROCKWELL C MINIMUM 26.0 AND ROCKWELL C MAXIMUM 32.0
SURFACE FINISHBEARING SURFACE OF HEAD MICROINCHES 63.0
SURFACE FINISHGRIP MICROINCHES 53.0
NOMINAL THREAD DIAMETERINCHES 0.312
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONOVERALL FED SPEC ALL TREATMENT RESPONSES QQ--416 TY 2 CL 3
THREAD SERIES DESIGNATORUNF
MATERIALOVERALL STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4140 OR STEEL COMP 4037
GRIP LENGTHINCHES MINIMUM 1.672 AND INCHES MAXIMUM 1.704
FASTENER LENGTHINCHES MINIMUM 2.203 AND INCHES MAXIMUM 2.250
HEAD STYLE
THREAD QUANTITY PER INCH24
HEAD HEIGHTINCHES MINIMUM 0.172 AND INCHES MAXIMUM 0.204
WIDTH BETWEEN FLATSINCHES MINIMUM 0.490 AND INCHES MAXIMUM 0.502
MINIMUM TENSILE STRENGTHPOUNDS PER SQUARE INCH 125000

MOE rules

MOE ruleMOE CDDate assignedPICAPICA LOAAuth collab
YA01YA01-DEC-01YA81YA
YD01YD01-AUG-16YD81YD
YW01YW01-AUG-97YW81YW
ZC01ZC01-APR-91ZC81ZC
ZH01ZH01-APR-91ZH81ZH
ZK01ZK01-APR-91ZK81ZK
ZR01ZR01-JUL-97ZR81ZR
ZS01ZS01-APR-91ZS81ZS
ZT01ZT01-MAY-94ZT81ZT
ZU01ZU01-APR-91ZU81ZU

Freight

ACTY CD
XX
NMFC
093486
NMFC sub
Z
Uniform freight class
48950
Less than truckload
W
Water commodity code
573
Type of cargo code
Z
Special handling code
9
Air dimension code
A
Air commodity code
BZ
NMF description
BOLTS,NUTS OR SCREWS, NOI (SUB 3)

Related items

Standardization

Item standardization code
3
Orig stdzn dec
KZ
Dt stdzn dec
12-JAN-1989
NIIN status code
0

Cancelled and replaced NIINs

FSC
5306
Cancelled NIIN
5306-00-151-2594
NIIN status code
7
Effective date
02-JUL-2026
DEMIL code
A

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