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Technical Data Sheet
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1283357-101 — BOLT,ASSEMBLY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1283357-101: BOLT,ASSEMBLY.

The BOLT,ASSEMBLY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CRES,3.300 IN. FASTENER LG,0.250-28 UNF-3B EXTERNAL THD,FITTING IN THD END IN.

This part is cataloged in the U.S. Government catalog under NSN 5306-01-003-6922, 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
1283357-101
NSN: 5306-01-003-6922
FSC: 5306 — Bolts
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES,3.300 IN. FASTENER LG,0.250-28 UNF-3B EXTERNAL THD,FITTING IN THD END IN
NSN5306-01-003-6922
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1283357-101 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES,3.300 IN. FASTENER LG,0.250-28 UNF-3B EXTERNAL THD,FITTING IN THD END IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES,3.300 IN. FASTENER LG,0.250-28 UNF-3B EXTERNAL THD,FITTING IN THD END IN
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

No substitute or cross-reference records for this part.

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 1283357-101?
1283357-101 is a BOLT,ASSEMBLY.
What is the NSN for 1283357-101?
1283357-101 is cataloged in the U.S. Government catalog under NSN 5306-01-003-6922. 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.