Catalog item

BOLT,CLOSE TOLERANCE

5306FSC
01NCB code
334-7910Item number
NIIN 01-334-7910
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DEMIL code
A

Identification

Item name code
27851
PINC
0027851
Criticality code
X
II
0
DEMIL code
A
NIIN assigned
28-FEB-91
Precious metals indicator
A
ADP equipment code
0
Hazardous material indicator
N

Part numbers

Part number
MS21297-08037
CAGE
96906
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
CAGE status
A
RNCC
2
RNVC
2
Document availability code
4
RNAAC
TD

Characteristics

THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTHINCHES NOMINAL 0.842
FASTENER LENGTHINCHES MINIMUM 3.151 AND INCHES MAXIMUM 3.181
HEAD STYLE
HEAD HEIGHTINCHES MINIMUM 0.440 AND INCHES MAXIMUM 0.460
EXTENDED WASHER DIAMETERINCHES NOMINAL 0.927
EXTENDED WASHER THICKNESSINCHES MINIMUM 0.062 AND INCHES MAXIMUM 0.082
GRIP DIAMETERINCHES MINIMUM 0.4985 AND INCHES MAXIMUM 0.4995
HEAD MINOR DIAMETERINCHES MINIMUM 0.547 AND INCHES MAXIMUM 0.562
END ITEM IDENTIFICATIONPACER DAWN
NOMINAL THREAD DIAMETERINCHES 0.5000
GRIP LENGTHINCHES MINIMUM 2.302 AND INCHES MAXIMUM 2.322
THREAD QUANTITY PER INCH20
HARDNESS RATINGOVERALL ROCKWELL C MINIMUM 46.0 AND ROCKWELL C MAXIMUM 50.0
SURFACE FINISHBEARING SURFACE OF HEAD MICROINCHES 32.0
SURFACE FINISHGRIP MICROINCHES 32.0
SPECIAL FEATURESHOLE DRILLED IN TOP CENTER OF HEAD,0.350/0.390 IN. DIA X 0.146 IN. NOMDEEP
MATERIALOVERALL STEEL
MATERIAL DOCUMENT AND CLASSIFICATIONOVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 6487
SURFACE TREATMENTOVERALL CADMIUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONOVERALL MIL SPEC SINGLE TREATMENT RESPONSE -IL-C-8837,TYE II,CLASS 2
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)

Freight

ACTY CD
TD

Related items

Standardization

Item standardization code
5
Orig stdzn dec
97
Dt stdzn dec
28-FEB-1991
NIIN status code
6

History

Identification changes

Item name code
27851
Item standardization code
5
DEMIL code
A
Criticality code
X
Precious metals indicator
A
Cancelled date
10-JUN-2026
NIIN status code
6

Past part numbers

Part number
MS21297-08037
CAGE
96906
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
RNCC
2
RNVC
2

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