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Technical Data Sheet
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M516 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

M516: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, thread_length: 6.000 INCHES MINIMUM IN, fastener_length: 16.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-346-9968, 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
M516
NSN: 5306-00-346-9968
FSC: 5306 — Bolts
CAGE: 98602 — ELECTRICAL MFG CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
thread_length6.000 INCHES MINIMUM IN
fastener_length16.000 INCHES NOMINAL IN
NSN5306-00-346-9968
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: M516 · 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
KEY FEATURES
•
FASTENER LENGTH: 16.000 INCHES NOMINAL IN
•
THREAD LENGTH: 6.000 INCHES MINIMUM IN
•
HEAD STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH16.000 INCHES NOMINAL IN
THREAD LENGTH6.000 INCHES MINIMUM IN
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
8816Reference document
Same NSN cross-reference
Reference document — Secondary reference
J8816Reference document
Same NSN cross-reference
Reference document — Secondary reference
5185Reference document
Same NSN cross-reference
Reference document — Secondary reference
6116Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS35798-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9816Reference 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 M516?
M516 is a BOLT,MACHINE.
What parts can replace M516?
There are 7 known substitutes for M516: 8816, J8816, 5185 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M516?
M516 is cataloged in the U.S. Government catalog under NSN 5306-00-346-9968. 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.