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ST3M350A4-28 — PIN-RIVET

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

ST3M350A4-28: PIN-RIVET.

The PIN-RIVET is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 8740 OVERALL, grip_length: 1.750 INCHES NOMINAL IN, thread_class: 3A A, fastener_length: 2.131 INCHES NOMINAL IN, special_features: 0.315 O/A DIA, nominal_thread_size: 0.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5320-00-540-3832, 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
ST3M350A4-28
NSN: 5320-00-540-3832
FSC: 5320 — Rivets
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP E4340 OR STEEL COMP 8740 OVERALL
grip_length1.750 INCHES NOMINAL IN
thread_class3A A
fastener_length2.131 INCHES NOMINAL IN
special_features0.315 O/A DIA
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch28
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
material_document_and_classificationMIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
NSN5320-00-540-3832
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PIN-RIVET TITLE COMPONENT PN ST3M350A4-28 MFR PIN-RIVET
KEY FEATURES
•
FASTENER LENGTH: 2.131 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
GRIP LENGTH: 1.750 INCHES NOMINAL IN
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 28
•
MATERIAL: STEEL COMP E4340 OR STEEL COMP 8740 OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH2.131 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE0.250 INCHES IN
GRIP LENGTH1.750 INCHES NOMINAL IN
SPECIAL FEATURES0.315 O/A DIA
THREAD CLASS3A A
THREAD QUANTITY PER INCH28
MATERIALSTEEL COMP E4340 OR STEEL COMP 8740 OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
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
TL130-4-28Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 ST3M350A4-28?
ST3M350A4-28 is a PIN-RIVET.
What parts can replace ST3M350A4-28?
There is 1 known substitute for ST3M350A4-28: TL130-4-28. Substitute compatibility should be verified for your specific system.
What is the NSN for ST3M350A4-28?
ST3M350A4-28 is cataloged in the U.S. Government catalog under NSN 5320-00-540-3832. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.