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Technical Data Sheet
PartsTable / COMPONENT / 28KP873
28KP873 ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-426-2934, 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
28KP873
NSN: 5306-00-426-2934
FSC: 5306
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
Part Number28KP873
NSN5306-00-426-2934
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 28KP873 · 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 8
035-221Interchangeable
interchangeable cross-reference
interchangeable
663UW10491W2Interchangeable
interchangeable cross-reference
interchangeable
CFSP-11517Interchangeable
interchangeable cross-reference
interchangeable
S1621Interchangeable
interchangeable cross-reference
interchangeable
0S-1621Interchangeable
Same NIIN cross-reference
interchangeable
0035221-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28KP873?
28KP873 is a BOLT,MACHINE.
What parts can replace 28KP873?
There are 8 known substitutes for 28KP873: 035-221, 663UW10491W2, CFSP-11517 and 5 more. Substitute compatibility should be verified for your specific system.
Is 28KP873 still available?
28KP873 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026