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BACS21EF — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACS21EF: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. This part is cataloged in the U.S. Government catalog under NSN 5325-01-696-7491, 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
BACS21EF
NSN: 5325-01-696-7491
NIINs: 016967491, 017274094
FSC: 5325 — Fastening Devices
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
Part NumberBACS21EF
NSN5325-01-696-7491
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACS21EF · 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
SUBSTITUTES & CROSS-REFERENCES 1
BACS21EF9RSame 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 BACS21EF?
BACS21EF is a STUD ASSEMBLY,TURNLOCK FASTENER.
What parts can replace BACS21EF?
There is 1 known substitute for BACS21EF: BACS21EF9R. Substitute compatibility should be verified for your specific system.
What is the NSN for BACS21EF?
BACS21EF is cataloged in the U.S. Government catalog under NSN 5325-01-696-7491. This indicates validated use in U.S. government and defense supply chains.
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