803-5959303-X-98 — SETSCREW

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

803-5959303-X-98: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING FEATURE, head_style: HEADLESS (SETSCREW), point_style: CUP, thread_class: 3A A, fastener_length: 0.250 INCHES NOMINAL IN, locking_feature: PATCH OR PELLET OR STRIP THREADS. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-334-2815, 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

803-5959303-X-98

NSN: 5305-01-334-2815
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	PLASTIC POLYAMIDE NYLON LOCKING FEATURE
head_style	HEADLESS (SETSCREW)
point_style	CUP
thread_class	3A A
fastener_length	0.250 INCHES NOMINAL IN
locking_feature	PATCH OR PELLET OR STRIP THREADS
thread_direction	RIGHT-HAND
width_across_flats	0.188 INCHES NOMINAL IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.250 INCHES IN
thread_quantity_per_inch	20
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5305-01-334-2815

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.188 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.250 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE FASTENER

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: HEADLESS (SETSCREW)

•

THREAD DIRECTION: RIGHT-HAND

•

POINT STYLE: CUP

•

LOCKING FEATURE: PATCH OR PELLET OR STRIP THREADS

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.188 INCHES NOMINAL IN
FASTENER LENGTH	0.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE FASTENER
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	HEADLESS (SETSCREW)
THREAD DIRECTION	RIGHT-HAND
POINT STYLE	CUP
LOCKING FEATURE	PATCH OR PELLET OR STRIP THREADS
INTERNAL DRIVE STYLE	HEXAGON
THREAD CLASS	3A A

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

524-6603688-VHBA-109Reference document

Same NSN cross-reference

Reference document — Secondary reference

5959303-98Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 803-5959303-X-98?

803-5959303-X-98 is a SETSCREW.

What parts can replace 803-5959303-X-98?

There are 2 known substitutes for 803-5959303-X-98: 524-6603688-VHBA-109, 5959303-98. Substitute compatibility should be verified for your specific system.

What is the NSN for 803-5959303-X-98?

803-5959303-X-98 is cataloged in the U.S. Government catalog under NSN 5305-01-334-2815. This indicates validated use in U.S. government and defense supply chains.

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