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Technical Data Sheet
PartsTable / COMPONENT / 1/4-20UNC-2AX1- 1/2" LG, GR 316
1/4-20UNC-2AX1- 1/2" LG, GR 316 ✓ 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 1/4-20UNC-2AX1- 1/2" LG, GR 316 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 5305-01-422-6116, 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
1/4-20UNC-2AX1- 1/2" LG, GR 316
NSN: 5305-01-422-6116
FSC: 5305
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part Number1/4-20UNC-2AX1- 1/2" LG, GR 316
NSN5305-01-422-6116
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1/4-20UNC-2AX1- 1/2" LG, GR 316 · 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 STYLE: HEXAGON
•
HEAD HEIGHT: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD QUANTITY PER INCH: 20
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: FF-S-85 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
HEAD HEIGHT0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD QUANTITY PER INCH20
END ITEM IDENTIFICATIONMRAP - M-ATV DV178
SPECIAL FEATURESCRES COMP 316 ONLY
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONFF-S-85 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
DEPARTURE FROM CITED DOCUMENTAS MOFIFIED BY MATERIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
306-12200Interchangeable
interchangeable cross-reference
interchangeable
1C6174P09Interchangeable
interchangeable cross-reference
interchangeable
SPE-61-20Interchangeable
interchangeable cross-reference
interchangeable
MS35307-312 CRE S 316 ONLYInterchangeable
Same NIIN cross-reference
interchangeable
MS35307-312Interchangeable
Same NIIN cross-reference
interchangeable
MS35307-312S316Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1/4-20UNC-2AX1- 1/2" LG, GR 316?
1/4-20UNC-2AX1- 1/2" LG, GR 316 is a 1/4-20UNC-2AX1- 1/2" LG, GR 316.
What parts can replace 1/4-20UNC-2AX1- 1/2" LG, GR 316?
There are 6 known substitutes for 1/4-20UNC-2AX1- 1/2" LG, GR 316: 306-12200, 1C6174P09, SPE-61-20 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1/4-20UNC-2AX1- 1/2" LG, GR 316?
1/4-20UNC-2AX1- 1/2" LG, GR 316 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-422-6116. 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