HL551-8-7 — PIN-RIVET

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

HL551-8-7: PIN-RIVET.

The PIN-RIVET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 4130 OVERALL, head_style: FLUSH COUNTERSUNK, grip_length: 0.463 INCHES MAXIMUM IN, shank_style: PIN-RIVET, STRAIGHT, THREADED, thread_class: 3A A, shank_diameter: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5320-00-765-4059, 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

HL551-8-7

NSN: 5320-00-765-4059
FSC: 5320 — Rivets
CAGE: 73197 — HI-SHEAR CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 4130 OVERALL
head_style	FLUSH COUNTERSUNK
grip_length	0.463 INCHES MAXIMUM IN
shank_style	PIN-RIVET, STRAIGHT, THREADED
thread_class	3A A
shank_diameter	0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
shear_strength	95000 SINGLE POUNDS PER SQUARE INCH
fastener_length	0.878 INCHES MINIMUM AND 0.898 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	100.0 DEGREES NOMINAL
surface_treatment	CADMIUM OVERALL
head_major_diameter	0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
NSN	5320-00-765-4059

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.878 INCHES MINIMUM AND 0.898 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE OVERALL

•

HEAD STYLE: FLUSH COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

GRIP LENGTH: 0.463 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
FASTENER LENGTH	0.878 INCHES MINIMUM AND 0.898 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
HEAD STYLE	FLUSH COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
GRIP LENGTH	0.463 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS	0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
SHANK STYLE	PIN-RIVET, STRAIGHT, THREADED

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 2

3M249A4-7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

65844-4-7Same 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 HL551-8-7?

HL551-8-7 is a PIN-RIVET.

What parts can replace HL551-8-7?

There are 2 known substitutes for HL551-8-7: 3M249A4-7, 65844-4-7. Substitute compatibility should be verified for your specific system.

What is the NSN for HL551-8-7?

HL551-8-7 is cataloged in the U.S. Government catalog under NSN 5320-00-765-4059. This indicates validated use in U.S. government and defense supply chains.

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