53A-00-199-6 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

53A-00-199-6: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, head_style: FLAT CHAMFER, head_height: 0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN, thread_length: 0.874 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-368-4687, 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

53A-00-199-6

NSN: 5305-01-368-4687
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	NICKEL ALLOY 400 OVERALL
head_style	FLAT CHAMFER
head_height	0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
thread_length	0.874 INCHES NOMINAL IN
fastener_length	1.250 INCHES NOMINAL IN
locking_feature	STRIP THREADS
thread_direction	RIGHT-HAND
width_across_flats	0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.312 INCHES IN
NSN	5305-01-368-4687

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.250 INCHES NOMINAL IN

•

THREAD LENGTH: 0.874 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.312 INCHES IN

•

HEAD STYLE: FLAT CHAMFER

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
HEAD HEIGHT	0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
FASTENER LENGTH	1.250 INCHES NOMINAL IN
THREAD LENGTH	0.874 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES IN
HEAD STYLE	FLAT CHAMFER
THREAD DIRECTION	RIGHT-HAND
LOCKING FEATURE	STRIP THREADS
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH LBS

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 2

MIL-DTL-1222Reference document

Same NSN cross-reference

Reference document — Identification reference

MIL-S-1222Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 53A-00-199-6?

53A-00-199-6 is a SCREW,CAP,SOCKET HEAD.

What parts can replace 53A-00-199-6?

There are 2 known substitutes for 53A-00-199-6: MIL-DTL-1222, MIL-S-1222. Substitute compatibility should be verified for your specific system.

What is the NSN for 53A-00-199-6?

53A-00-199-6 is cataloged in the U.S. Government catalog under NSN 5305-01-368-4687. This indicates validated use in U.S. government and defense supply chains.

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