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Technical Data Sheet
PartsTable / COMPONENT / MA309-21012
MA309-21012 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The STUD,SHOULDERED is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-01-147-1316, 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
MA309-21012
NSN: 5307-01-147-1316
FSC: 5307
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
Part NumberMA309-21012
NSN5307-01-147-1316
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MA309-21012 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
2856Interchangeable
interchangeable cross-reference
interchangeable
61402050308Interchangeable
interchangeable cross-reference
interchangeable
ZA359-1001P14Interchangeable
interchangeable cross-reference
interchangeable
GROM-001-09Interchangeable
interchangeable cross-reference
interchangeable
79507Interchangeable
interchangeable cross-reference
interchangeable
D706Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MA309-21012?
MA309-21012 is a STUD,SHOULDERED.
What parts can replace MA309-21012?
There are 13 known substitutes for MA309-21012: 2856, 61402050308, ZA359-1001P14 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MA309-21012?
MA309-21012 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-01-147-1316. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026