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Catalog item

BOLT,CLOSE TOLERANCE

5306FSC

01NCB code

244-5255Item number

NIIN 01-244-5255

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DEMIL code: B

Identification

Item name code: 27851
PINC: 0027851
Criticality code: X
II: 0
DEMIL code: B
NIIN assigned: 14-NOV-86
Precious metals indicator: A
Hazardous material indicator: N

Part numbers

Part number	CAGE	CAGE status	RNCC	RNVC	Document availability code	RNAAC	RNSC
NAS6604P24	80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE	A	3	2	2	9Z	A
BACB30NE4LN24	81205 THE BOEING COMPANY DIV DEFENSE	A	E	8	4	9Z	B
BACB30NE4P24	81205 THE BOEING COMPANY DIV DEFENSE	A	E	8	4	9Z	D

Characteristics

THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	INCHES NOMINAL 0.425
FASTENER LENGTH	INCHES MINIMUM 2.340 AND INCHES MAXIMUM 2.360
HEAD STYLE
HEAD HEIGHT	INCHES MINIMUM 0.125 AND INCHES MAXIMUM 0.140
WIDTH BETWEEN FLATS	INCHES MINIMUM 0.429 AND INCHES MAXIMUM 0.439
GRIP DIAMETER	INCHES MINIMUM 0.2485 AND INCHES MAXIMUM 0.2495
NOMINAL THREAD DIAMETER	INCHES 0.250
GRIP LENGTH	INCHES MINIMUM 1.490 AND INCHES MAXIMUM 1.510
THREAD QUANTITY PER INCH	28
SURFACE FINISH	BEARING SURFACE OF HEAD MICROINCHES 32.0
SURFACE FINISH	GRIP MICROINCHES 125.0
SURFACE FINISH	THREADS MICROINCHES 32.0
MATERIAL	OVERALL STEEL COMP 4340
SURFACE TREATMENT	OVERALL CADMIUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
SPECIFICATION/STANDARD DATA	PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS660424

MOE rules

MOE rule: YS01
MOE CD: YS
Date assigned: 01-FEB-15
PICA: YS
PICA LOA: 81
Auth collab: YS

Freight

ACTY CD: 9Z

Related items

Standardization

Item standardization code: 5
Orig stdzn dec: 96
Dt stdzn dec: 05-DEC-2013
NIIN status code: 0

Cancelled and replaced NIINs

FSC: 5306
Cancelled NIIN: 5306-01-193-3857
NIIN status code: 5
Effective date: 22-JUL-2026
DEMIL code: B

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