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Technical Data Sheet
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320858 — BOLT,U

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

320858: BOLT,U.

The BOLT,U is a the manufacturer industrial component. Key specifications include end_item_identification: 5895-01-645-6998, part_name_assigned_by_controlling_agency: BOLT, U. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-679-1404, 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
320858
NSN: 5306-01-679-1404
FSC: 5306 — Bolts
CAGE: 2S125 — HILLMAN GROUP, INC., THE (USA)
SPECIFICATIONS
end_item_identification5895-01-645-6998
part_name_assigned_by_controlling_agencyBOLT, U
NSN5306-01-679-1404
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 320858 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, U
END ITEM IDENTIFICATION5895-01-645-6998
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 1
883299Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 320858?
320858 is a BOLT,U.
What parts can replace 320858?
There is 1 known substitute for 320858: 883299. Substitute compatibility should be verified for your specific system.
What is the NSN for 320858?
320858 is cataloged in the U.S. Government catalog under NSN 5306-01-679-1404. This indicates validated use in U.S. government and defense supply chains.
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