31C400HHCSG8STZD — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

31C400HHCSG8STZD: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, fastener_length: 4.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_item_identification: F-22 RAPTOR, nominal_thread_diameter: 0.312 INCHES IN, thread_quantity_per_inch: 18. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-540-0691, 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

31C400HHCSG8STZD

NSN: 5305-01-540-0691
FSC: 5305 — Screws
CAGE: 1MTS3 — ASSEMBLY FASTENERS INC DBA ASSEMBLY FASTENERS INC (USA)

SPECIFICATIONS

head_style	HEXAGON
fastener_length	4.000 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
end_item_identification	F-22 RAPTOR
nominal_thread_diameter	0.312 INCHES IN
thread_quantity_per_inch	18
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5305-01-540-0691

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 4.000 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.312 INCHES IN

•

HEAD STYLE: HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

•

THREAD QUANTITY PER INCH: 18

•

THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	4.000 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.312 INCHES IN
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
END ITEM IDENTIFICATION	F-22 RAPTOR
THREAD QUANTITY PER INCH	18
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 1

HGH400Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 31C400HHCSG8STZD?

31C400HHCSG8STZD is a SCREW,CAP,HEXAGON HEAD.

What parts can replace 31C400HHCSG8STZD?

There is 1 known substitute for 31C400HHCSG8STZD: HGH400. Substitute compatibility should be verified for your specific system.

What is the NSN for 31C400HHCSG8STZD?

31C400HHCSG8STZD is cataloged in the U.S. Government catalog under NSN 5305-01-540-0691. This indicates validated use in U.S. government and defense supply chains.

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31C400HHCSG8STZD — SCREW,CAP,HEXAGON HEAD

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