HST631CW-8-4 — PIN-RIVET

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

HST631CW-8-4: PIN-RIVET.

The PIN-RIVET is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R56400 OVERALL, head_style: CROWN COUNTERSUNK LESS THAN 135 DEGREES, grip_length: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, head_height: 0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN, lubrication: CETYL ALCOHOL, shank_style: PIN-RIVET, STRAIGHT, THREADED. This part is cataloged in the U.S.

Government catalog under NSN 5320-01-641-6175, 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

HST631CW-8-4

NSN: 5320-01-641-6175
FSC: 5320 — Rivets
CAGE: 73197 — HI-SHEAR CORPORATION (USA)

SPECIFICATIONS

material	TITANIUM ALLOY UNS R56400 OVERALL
head_style	CROWN COUNTERSUNK LESS THAN 135 DEGREES
grip_length	0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
head_height	0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
lubrication	CETYL ALCOHOL
shank_style	PIN-RIVET, STRAIGHT, THREADED
thread_class	3A A
shank_diameter	0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN
fastener_length	0.635 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN
special_features	FEATGMATE WITH 3D0141 COLLARS
thread_direction	RIGHT-HAND
countersink_angle	130.0 DEGREES NOMINAL
NSN	5320-01-641-6175

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN

•

LUBRICATION: CETYL ALCOHOL

•

HEAD HEIGHT: 0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.635 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2486 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4967 FED SPEC SINGLE MATERIAL RESPONSE OR AMS 4928 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

HEAD STYLE: CROWN COUNTERSUNK LESS THAN 135 DEGREES

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN
LUBRICATION	CETYL ALCOHOL
HEAD HEIGHT	0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
FASTENER LENGTH	0.635 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2486 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 4967 FED SPEC SINGLE MATERIAL RESPONSE OR AMS 4928 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE	CROWN COUNTERSUNK LESS THAN 135 DEGREES
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.2500 INCHES IN
GRIP LENGTH	0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN

OTHER ITEMS IN FSC 5320 — Rivets

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

5320-00-001-1756 5320-00-001-2042 5320-00-001-3944 5320-00-001-5126 5320-00-001-5151 5320-00-001-5152 5320-00-001-5153

SUBSTITUTES & CROSS-REFERENCES 1

3D0137-8X4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is HST631CW-8-4?

HST631CW-8-4 is a PIN-RIVET.

What parts can replace HST631CW-8-4?

There is 1 known substitute for HST631CW-8-4: 3D0137-8X4. Substitute compatibility should be verified for your specific system.

What is the NSN for HST631CW-8-4?

HST631CW-8-4 is cataloged in the U.S. Government catalog under NSN 5320-01-641-6175. This indicates validated use in U.S. government and defense supply chains.

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