31JA52 — BOLT,SQUARE NECK

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

31JA52: BOLT,SQUARE NECK.

The BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: ROUND, neck_width: 0.375 INCHES NOMINAL IN, head_height: 0.20 INCHES MAXIMUM IN, head_diameter: 0.78 INCHES MINIMUM AND 0.84 INCHES MAXIMUM IN, thread_length: 1.0 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-701-9682, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

31JA52

NSN: 5306-01-701-9682
FSC: 5306 — Bolts
CAGE: 0CLM1 — GRAINGER W W INC GRAINGER DIV (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	ROUND
neck_width	0.375 INCHES NOMINAL IN
head_height	0.20 INCHES MAXIMUM IN
head_diameter	0.78 INCHES MINIMUM AND 0.84 INCHES MAXIMUM IN
thread_length	1.0 INCHES MINIMUM IN
fastener_length	4.0 INCHES NOMINAL IN
special_features	THREAD SERIES DESIGNATOR IS UNC.
thread_direction	RIGHT-HAND
minimum_tensile_strength	120000 POUNDS PER SQUARE INCH LBS
part_name_assigned_by_controlling_agency	CARRIAGE BOLT
NSN	5306-01-701-9682

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.20 INCHES MAXIMUM IN

•

FASTENER LENGTH: 4.0 INCHES NOMINAL IN

•

THREAD LENGTH: 1.0 INCHES MINIMUM IN

•

HEAD STYLE: ROUND

•

THREAD DIRECTION: RIGHT-HAND

•

NECK WIDTH: 0.375 INCHES NOMINAL IN

•

MINIMUM TENSILE STRENGTH: 120000 POUNDS PER SQUARE INCH LBS

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.20 INCHES MAXIMUM IN
FASTENER LENGTH	4.0 INCHES NOMINAL IN
THREAD LENGTH	1.0 INCHES MINIMUM IN
HEAD STYLE	ROUND
THREAD DIRECTION	RIGHT-HAND
NECK WIDTH	0.375 INCHES NOMINAL IN
SPECIAL FEATURES	THREAD SERIES DESIGNATOR IS UNC.
MINIMUM TENSILE STRENGTH	120000 POUNDS PER SQUARE INCH LBS
PART NAME ASSIGNED BY CONTROLLING AGENCY	CARRIAGE BOLT
MATERIAL	STEEL OVERALL

OTHER ITEMS IN FSC 5306 — Bolts

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017

SUBSTITUTES & CROSS-REFERENCES 1

5306PL2148716Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 31JA52?

31JA52 is a BOLT,SQUARE NECK.

What parts can replace 31JA52?

There is 1 known substitute for 31JA52: 5306PL2148716. Substitute compatibility should be verified for your specific system.

What is the NSN for 31JA52?

31JA52 is cataloged in the U.S. Government catalog under NSN 5306-01-701-9682. This indicates validated use in U.S. government and defense supply chains.

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