ST3M551-4 — COLLAR,PIN-RIVET

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

ST3M551-4: COLLAR,PIN-RIVET.

The COLLAR,PIN-RIVET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP, collar_style: THREADED (BREAK OFF) TYPE, thread_class: 3B, heat_treatment: T-6 SOLUTION HEAT TREATED OVERALL, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5320-00-352-0714, 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

ST3M551-4

NSN: 5320-00-352-0714
FSC: 5320 — Rivets
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 OVERALL
lubrication	CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP
collar_style	THREADED (BREAK OFF) TYPE
thread_class	3B
heat_treatment	T-6 SOLUTION HEAT TREATED OVERALL
thread_direction	RIGHT-HAND
surface_treatment	ANODIZE OVERALL
nominal_thread_size	0.250 INCHES IN
collar_overall_height	0.460 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
collar_inside_diameter	0.289 INCHES NOMINAL IN
collar_outside_diameter	0.469 INCHES NOMINAL IN
thread_quantity_per_inch	28
NSN	5320-00-352-0714

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

COLLAR INSIDE DIAMETER: 0.289 INCHES NOMINAL IN

•

COLLAR OVERALL HEIGHT: 0.460 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN

•

COLLAR STYLE: THREADED (BREAK OFF) TYPE

•

COLLAR OUTSIDE DIAMETER: 0.469 INCHES NOMINAL IN

•

HEAT TREATMENT: T-6 SOLUTION HEAT TREATED OVERALL

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

LUBRICATION	CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
COLLAR INSIDE DIAMETER	0.289 INCHES NOMINAL IN
COLLAR OVERALL HEIGHT	0.460 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
COLLAR STYLE	THREADED (BREAK OFF) TYPE
COLLAR OUTSIDE DIAMETER	0.469 INCHES NOMINAL IN
HEAT TREATMENT	T-6 SOLUTION HEAT TREATED OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
SURFACE TREATMENT	ANODIZE OVERALL

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

HL382-8AReference document

Same NSN cross-reference

Reference document — Secondary reference

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 ST3M551-4?

ST3M551-4 is a COLLAR,PIN-RIVET.

What parts can replace ST3M551-4?

There is 1 known substitute for ST3M551-4: HL382-8A. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M551-4?

ST3M551-4 is cataloged in the U.S. Government catalog under NSN 5320-00-352-0714. This indicates validated use in U.S. government and defense supply chains.

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