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Technical Data Sheet
PartsTable / COMPONENT / 5275F 4.00IN ITEM 20
5275F 4.00IN ITEM 20 ✓ 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 5275F 4.00IN ITEM 20 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 5305-01-420-5342, 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
5275F 4.00IN ITEM 20
NSN: 5305-01-420-5342
FSC: 5305
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
Part Number5275F 4.00IN ITEM 20
NSN5305-01-420-5342
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5275F 4.00IN ITEM 20 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
600004Interchangeable
interchangeable cross-reference
interchangeable
A910109Interchangeable
interchangeable cross-reference
interchangeable
PL718-05-SECInterchangeable
interchangeable cross-reference
interchangeable
JT91934Interchangeable
interchangeable cross-reference
interchangeable
AS28431Interchangeable
interchangeable cross-reference
interchangeable
PB1WITHOUT EARSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5275F 4.00IN ITEM 20?
5275F 4.00IN ITEM 20 is a 5275F 4.00IN ITEM 20.
What parts can replace 5275F 4.00IN ITEM 20?
There are 17 known substitutes for 5275F 4.00IN ITEM 20: 600004, A910109, PL718-05-SEC and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5275F 4.00IN ITEM 20?
5275F 4.00IN ITEM 20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-420-5342. 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