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Technical Data Sheet
PartsTable / COMPONENT / 1.00-8UNC-2A X 2.50LG SHANK
1.00-8UNC-2A X 2.50LG SHANK ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The 1.00-8UNC-2A X 2.50LG SHANK is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-484-0540, 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
1.00-8UNC-2A X 2.50LG SHANK
NSN: 5306-01-484-0540
FSC: 5306
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part Number1.00-8UNC-2A X 2.50LG SHANK
NSN5306-01-484-0540
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1.00-8UNC-2A X 2.50LG SHANK · 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
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 8
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD DIAMETER: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
THREAD QUANTITY PER INCH8
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER1.000 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
S-279Upgraded Successor
successor cross-reference
successor
9900235Upgraded Successor
successor cross-reference
successor
179859Interchangeable
interchangeable cross-reference
interchangeable
PL 14811020 ITEM 150Interchangeable
interchangeable cross-reference
interchangeable
990025-3Interchangeable
interchangeable cross-reference
interchangeable
608-7120913 ITEM 19Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1.00-8UNC-2A X 2.50LG SHANK?
1.00-8UNC-2A X 2.50LG SHANK is a 1.00-8UNC-2A X 2.50LG SHANK.
What parts can replace 1.00-8UNC-2A X 2.50LG SHANK?
There are 6 known substitutes for 1.00-8UNC-2A X 2.50LG SHANK: S-279, 9900235, 179859 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1.00-8UNC-2A X 2.50LG SHANK?
1.00-8UNC-2A X 2.50LG SHANK is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-484-0540. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026