PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1/2IN-13UNC X 1IN LG
1/2IN-13UNC X 1IN LG ✓ 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 1/2IN-13UNC X 1IN LG 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 5305-01-288-0134, 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
1/2IN-13UNC X 1IN LG
NSN: 5305-01-288-0134
FSC: 5305
CAGE: 83130 — AIR & LIQUID SYSTEMS CORPORATION DBA BUFFALO PUMPS (USA)
SPECIFICATIONS
Part Number1/2IN-13UNC X 1IN LG
NSN5305-01-288-0134
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1/2IN-13UNC X 1IN LG · 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
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
THREAD QUANTITY PER INCH: 13
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2S STYLE
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD LENGTH: 0.623 INCHES MINIMUM AND 0.777 INCHES MAXIMUM IN
•
SCREW MATERIAL: NICKEL ALLOY 400
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD QUANTITY PER INCH13
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2S STYLE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD STYLEFLAT COUNTERSUNK
THREAD LENGTH0.623 INCHES MINIMUM AND 0.777 INCHES MAXIMUM IN
SCREW MATERIALNICKEL ALLOY 400
THREAD CLASS2A A
HEAD DIAMETER0.775 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
245122Interchangeable
interchangeable cross-reference
interchangeable
FF-S-92 TY-1 ST Y-2SInterchangeable
interchangeable cross-reference
interchangeable
MS35200-12Interchangeable
interchangeable cross-reference
interchangeable
49715-05-01R01 ITEM 6Interchangeable
interchangeable cross-reference
interchangeable
203-2581151 ITEM 6Interchangeable
interchangeable cross-reference
interchangeable
1/2 IN 13UNC-2A X 2IN LGInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1/2IN-13UNC X 1IN LG?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1/2IN-13UNC X 1IN LG?
1/2IN-13UNC X 1IN LG is a 1/2IN-13UNC X 1IN LG.
What parts can replace 1/2IN-13UNC X 1IN LG?
There are 11 known substitutes for 1/2IN-13UNC X 1IN LG: 245122, FF-S-92 TY-1 ST Y-2S, MS35200-12 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1/2IN-13UNC X 1IN LG?
1/2IN-13UNC X 1IN LG is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-288-0134. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1/2IN-13UNC X 1IN LG

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026