5361662-21 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

5361662-21: 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: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_length: 0.520 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-377-3253, 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

5361662-21

NSN: 5305-01-377-3253
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	NICKEL ALLOY 400 OVERALL
head_style	FLAT CHAMFER
head_height	0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_length	0.520 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
fastener_length	0.620 INCHES NOMINAL IN
hardness_rating	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
locking_feature	PELLET LOCKING FEATURE
thread_direction	RIGHT-HAND
width_across_flats	0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
internal_drive_style	HEXAGON
NSN	5305-01-377-3253

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

HEAD HEIGHT: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.620 INCHES NOMINAL IN

•

THREAD LENGTH: 0.520 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN

•

HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL

•

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

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT CHAMFER

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
HEAD HEIGHT	0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
FASTENER LENGTH	0.620 INCHES NOMINAL IN
THREAD LENGTH	0.520 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT CHAMFER
THREAD DIRECTION	RIGHT-HAND
LOCKING FEATURE	PELLET LOCKING FEATURE

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

MIL-F-18240 TYN 1/4-20UNC-3AReference document

Same NSN cross-reference

Reference document — Identification 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 5361662-21?

5361662-21 is a SCREW,CAP,SOCKET HEAD.

What parts can replace 5361662-21?

There is 1 known substitute for 5361662-21: MIL-F-18240 TYN 1/4-20UNC-3A. Substitute compatibility should be verified for your specific system.

What is the NSN for 5361662-21?

5361662-21 is cataloged in the U.S. Government catalog under NSN 5305-01-377-3253. This indicates validated use in U.S. government and defense supply chains.

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5361662-21 — SCREW,CAP,SOCKET HEAD

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