MS51021-137 — SETSCREW

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

MS51021-137: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: PLASTIC LOCKING FEATURE, head_style: HEADLESS (SETSCREW), point_style: CUP, thread_class: 3A A, thread_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, fastener_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-117-5915, 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

MS51021-137

NSN: 5305-01-117-5915
FSC: 5305 — Screws
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)

SPECIFICATIONS

material	PLASTIC LOCKING FEATURE
head_style	HEADLESS (SETSCREW)
point_style	CUP
thread_class	3A A
thread_length	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
fastener_length	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
locking_feature	PELLET OR STRIP OR PATCH THREADS
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE FASTENER
width_across_flats	0.078 INCHES NOMINAL IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.164 INCHES IN
NSN	5305-01-117-5915

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.078 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER

•

THREAD LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.164 INCHES IN

•

HEAD STYLE: HEADLESS (SETSCREW)

•

THREAD DIRECTION: RIGHT-HAND

•

POINT STYLE: CUP

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.078 INCHES NOMINAL IN
FASTENER LENGTH	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
THREAD LENGTH	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.164 INCHES IN
HEAD STYLE	HEADLESS (SETSCREW)
THREAD DIRECTION	RIGHT-HAND
POINT STYLE	CUP
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND 4 STYLE
LOCKING FEATURE	PELLET OR STRIP OR PATCH THREADS

SUBSTITUTES & CROSS-REFERENCES 4

2300-0094Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

003-07941-137Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

1031-243Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

FF-S-200Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is MS51021-137?

MS51021-137 is a SETSCREW.

What parts can replace MS51021-137?

There are 4 known substitutes for MS51021-137: 2300-0094, 003-07941-137, 1031-243 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS51021-137?

MS51021-137 is cataloged in the U.S. Government catalog under NSN 5305-01-117-5915. This indicates validated use in U.S. government and defense supply chains.

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