53A-00-138-1 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

53A-00-138-1: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY K-500 OVERALL, head_style: HEXAGON, head_height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.630 INCHES NOMINAL IN, fastener_length: 3.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-368-1708, 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-00-138-1

NSN: 5305-01-368-1708
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	NICKEL ALLOY K-500 OVERALL
head_style	HEXAGON
head_height	0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
thread_class	2A A
thread_length	0.630 INCHES NOMINAL IN
fastener_length	3.500 INCHES NOMINAL IN
locking_feature	STRIP THREADS
thread_direction	RIGHT-HAND
width_across_flats	0.1562 INCHES MINIMUM AND 0.1587 INCHES MAXIMUM IN
width_between_flats	0.090 INCHES MINIMUM IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.190 INCHES IN
NSN	5305-01-368-1708

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.1562 INCHES MINIMUM AND 0.1587 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN

•

FASTENER LENGTH: 3.500 INCHES NOMINAL IN

•

THREAD LENGTH: 0.630 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.1562 INCHES MINIMUM AND 0.1587 INCHES MAXIMUM IN
HEAD HEIGHT	0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
FASTENER LENGTH	3.500 INCHES NOMINAL IN
THREAD LENGTH	0.630 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
WIDTH BETWEEN FLATS	0.090 INCHES MINIMUM IN
LOCKING FEATURE	STRIP THREADS

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 3

53A-00-183-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-S-1222Reference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-DTL-1222Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 53A-00-138-1?

53A-00-138-1 is a SCREW,CAP,SOCKET HEAD.

What parts can replace 53A-00-138-1?

There are 3 known substitutes for 53A-00-138-1: 53A-00-183-1, MIL-S-1222, MIL-DTL-1222. Substitute compatibility should be verified for your specific system.

What is the NSN for 53A-00-138-1?

53A-00-138-1 is cataloged in the U.S. Government catalog under NSN 5305-01-368-1708. This indicates validated use in U.S. government and defense supply chains.

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