HLT631-5-4 — PIN-RIVET

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

HLT631-5-4: PIN-RIVET.

The PIN-RIVET is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLUSH COUNTERSUNK, grip_length: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, head_height: 0.0388 INCHES MINIMUM AND 0.0408 INCHES MAXIMUM IN, lubrication: CETYL ALCOHOL, shank_style: PIN-RIVET, STRAIGHT, THREADED. This part is cataloged in the U.S.

Government catalog under NSN 5320-01-726-8101, 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

HLT631-5-4

NSN: 5320-01-726-8101
FSC: 5320 — Rivets
CAGE: K5673 — SPS TECHNOLOGIES LTD, TJ BROOKS DIVISION (GBR)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_style	FLUSH COUNTERSUNK
grip_length	0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
head_height	0.0388 INCHES MINIMUM AND 0.0408 INCHES MAXIMUM IN
lubrication	CETYL ALCOHOL
shank_style	PIN-RIVET, STRAIGHT, THREADED
thread_class	3A A
shank_diameter	0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN
fastener_length	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	100.0 DEGREES NOMINAL
surface_treatment	PASSIVATE OVERALL
NSN	5320-01-726-8101

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN

•

LUBRICATION: CETYL ALCOHOL

•

HEAD HEIGHT: 0.0388 INCHES MINIMUM AND 0.0408 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2700 METHOD 1 OR 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL

•

HEAD STYLE: FLUSH COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN
LUBRICATION	CETYL ALCOHOL
HEAD HEIGHT	0.0388 INCHES MINIMUM AND 0.0408 INCHES MAXIMUM IN
FASTENER LENGTH	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS2700 METHOD 1 OR 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5629 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE	FLUSH COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.1640 INCHES IN
GRIP LENGTH	0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 3

ST3M758D08N4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

HP4758D08N4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST3M758Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 HLT631-5-4?

HLT631-5-4 is a PIN-RIVET.

What parts can replace HLT631-5-4?

There are 3 known substitutes for HLT631-5-4: ST3M758D08N4, HP4758D08N4, ST3M758. Substitute compatibility should be verified for your specific system.

What is the NSN for HLT631-5-4?

HLT631-5-4 is cataloged in the U.S. Government catalog under NSN 5320-01-726-8101. This indicates validated use in U.S. government and defense supply chains.

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