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Technical Data Sheet
PartsTable / COMPONENT / 0.50013UNC2A1.250LGST
0.50013UNC2A1.250LGST ✓ 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 0.50013UNC2A1.250LGST 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 5306-00-174-9461, 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
0.50013UNC2A1.250LGST
NSN: 5306-00-174-9461
FSC: 5306
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part Number0.50013UNC2A1.250LGST
NSN5306-00-174-9461
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0.50013UNC2A1.250LGST · 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 DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 1.250 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 2 GRADE AND I TYPE
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
MINIMUM TENSILE STRENGTH: 75000 POUNDS PER SQUARE INCH LBS
•
HEAD HEIGHT: 0.312 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.250 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA2 GRADE AND I TYPE
NOMINAL THREAD DIAMETER0.500 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
MINIMUM TENSILE STRENGTH75000 POUNDS PER SQUARE INCH LBS
HEAD HEIGHT0.312 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
M1222RN12C48GFNNUpgraded Successor
successor cross-reference
successor
MIL-S-1222Upgraded Successor
successor cross-reference
successor
MIL-DTL-1222Upgraded Successor
successor cross-reference
successor
306-40172Upgraded Successor
successor cross-reference
successor
1D4703Upgraded Successor
successor cross-reference
successor
M1222RN14C260GCNZEUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0.50013UNC2A1.250LGST?
0.50013UNC2A1.250LGST is a 0.50013UNC2A1.250LGST.
What parts can replace 0.50013UNC2A1.250LGST?
There are 14 known substitutes for 0.50013UNC2A1.250LGST: M1222RN12C48GFNN, MIL-S-1222, MIL-DTL-1222 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0.50013UNC2A1.250LGST?
0.50013UNC2A1.250LGST is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-174-9461. 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