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2176750 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2176750: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 955 OVERALL, head_style: HEXAGON, head_height: 0.469 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.344 INCHES MINIMUM IN, fastener_length: 0.406 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-350-4265, 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
2176750
NSN: 5306-00-350-4265
FSC: 5306 — Bolts
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 955 OVERALL
head_styleHEXAGON
head_height0.469 INCHES NOMINAL IN
thread_class2A A
thread_length0.344 INCHES MINIMUM IN
fastener_length0.406 INCHES NOMINAL IN
special_features1/16 IN. W BY 27/64 IN. DIA UNDERCUT BACK OF HEAD IN
thread_directionRIGHT-HAND
width_between_flats0.562 INCHES NOMINAL IN
concentric_hole_depth0.718 INCHES NOMINAL IN
nominal_thread_diameter0.500 INCHES IN
concentric_hole_diameter0.282 INCHES NOMINAL IN
NSN5306-00-350-4265
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2176750 · 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
•
HEAD HEIGHT: 0.469 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.406 INCHES NOMINAL IN
•
CONCENTRIC HOLE DEPTH: 0.718 INCHES NOMINAL IN
•
THREAD LENGTH: 0.344 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16033,CLASS 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.469 INCHES NOMINAL IN
FASTENER LENGTH0.406 INCHES NOMINAL IN
CONCENTRIC HOLE DEPTH0.718 INCHES NOMINAL IN
THREAD LENGTH0.344 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16033,CLASS 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.562 INCHES NOMINAL IN
CONCENTRIC HOLE DIAMETER0.282 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES 1
A213449Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2176750?
2176750 is a BOLT,INTERNALLY RELIEVED BODY.
What parts can replace 2176750?
There is 1 known substitute for 2176750: A213449. Substitute compatibility should be verified for your specific system.
What is the NSN for 2176750?
2176750 is cataloged in the U.S. Government catalog under NSN 5306-00-350-4265. 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.