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MB159-5D12 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MB159-5D12: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5306-01-211-4337, 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
MB159-5D12
NSN: 5306-01-211-4337
FSC: 5306 — Bolts
CAGE: 73197 — HI-SHEAR CORPORATION (USA)
SPECIFICATIONS
Part NumberMB159-5D12
NSN5306-01-211-4337
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MB159-5D12 · 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
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 4
122914-5D12Reference document
Same NSN cross-reference
Reference document — Secondary reference
VS3191-5D12XSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST3M837-5D12Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
VS3191-5D1212XReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 MB159-5D12?
MB159-5D12 is a BOLT,SHOULDER.
What parts can replace MB159-5D12?
There are 4 known substitutes for MB159-5D12: 122914-5D12, VS3191-5D12X, ST3M837-5D12 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MB159-5D12?
MB159-5D12 is cataloged in the U.S. Government catalog under NSN 5306-01-211-4337. 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.