MS51987-441 — PIN,SPRING

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

MS51987-441: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.250 INCHES NOMINAL IN, material: STEEL COMP 302 OVERALL, overall_length: 1.750 INCHES NOMINAL IN, style_designator: COILED, expanded_diameter: 0.260 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-201-6928, 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

MS51987-441

NSN: 5315-01-201-6928
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)

SPECIFICATIONS

diameter	0.250 INCHES NOMINAL IN
material	STEEL COMP 302 OVERALL
overall_length	1.750 INCHES NOMINAL IN
style_designator	COILED
expanded_diameter	0.260 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
surface_treatment	PASSIVATE OVERALL
material_document_and_classification	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5315-01-201-6928

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

EXPANDED DIAMETER: 0.260 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: COILED

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL

•

DIAMETER: 0.250 INCHES NOMINAL IN

•

SURFACE TREATMENT: PASSIVATE OVERALL

•

MATERIAL: STEEL COMP 302 OVERALL

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXPANDED DIAMETER	0.260 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
STYLE DESIGNATOR	COILED
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER	0.250 INCHES NOMINAL IN
OVERALL LENGTH	1.750 INCHES NOMINAL IN
SURFACE TREATMENT	PASSIVATE OVERALL
MATERIAL	STEEL COMP 302 OVERALL

SUBSTITUTES & CROSS-REFERENCES 3

5315012016928Reference document

Same NSN cross-reference

Reference document — Informative reference only

NASM51987Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

400149Reference document

Same NSN cross-reference

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

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 MS51987-441?

MS51987-441 is a PIN,SPRING.

What parts can replace MS51987-441?

There are 3 known substitutes for MS51987-441: 5315012016928, NASM51987, 400149. Substitute compatibility should be verified for your specific system.

What is the NSN for MS51987-441?

MS51987-441 is cataloged in the U.S. Government catalog under NSN 5315-01-201-6928. This indicates validated use in U.S. government and defense supply chains.

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