639291-16 — PIN,SHOULDER,HEADLESS

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

639291-16: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, shank_length: 2.720 INCHES NOMINAL IN, overall_length: 6.190 INCHES NOMINAL IN, shank_diameter: 0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES SHANK END, first_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-324-0194, 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

639291-16

NSN: 5315-01-324-0194
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	STEEL COMP 410 OVERALL
shank_length	2.720 INCHES NOMINAL IN
overall_length	6.190 INCHES NOMINAL IN
shank_diameter	0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES SHANK END
first_end_style	SQUARE
style_designator	SHOULDER
shoulder_diameter	0.940 INCHES NOMINAL IN
surface_treatment	PASSIVATE OVERALL
first_end_location	BOTH ENDS
second_shank_length	3.290 INCHES NOMINAL IN
second_shank_diameter	0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
NSN	5315-01-324-0194

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN

•

SECOND SHANK DIAMETER: 0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN

•

SURFACE FINISH: 32.0 MICROINCHES SHANK END

•

FIRST END LOCATION: BOTH ENDS

•

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

•

FIRST END STYLE: SQUARE

•

SHANK LENGTH: 2.720 INCHES NOMINAL IN

•

STYLE DESIGNATOR: SHOULDER

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
SECOND SHANK DIAMETER	0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
SURFACE FINISH	32.0 MICROINCHES SHANK END
FIRST END LOCATION	BOTH ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLE	SQUARE
SHANK LENGTH	2.720 INCHES NOMINAL IN
STYLE DESIGNATOR	SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A276,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH	6.190 INCHES NOMINAL IN

OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602

SUBSTITUTES & CROSS-REFERENCES 1

6397291-16Reference document

Same NSN cross-reference

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

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 639291-16?

639291-16 is a PIN,SHOULDER,HEADLESS.

What parts can replace 639291-16?

There is 1 known substitute for 639291-16: 6397291-16. Substitute compatibility should be verified for your specific system.

What is the NSN for 639291-16?

639291-16 is cataloged in the U.S. Government catalog under NSN 5315-01-324-0194. This indicates validated use in U.S. government and defense supply chains.

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639291-16 — PIN,SHOULDER,HEADLESS

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