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Technical Data Sheet
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0S1601 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

0S1601: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5305-00-260-4511, 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
0S1601
NSN: 5305-00-260-4511
FSC: 5305 — Screws
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number0S1601
NSN5305-00-260-4511
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0S1601 · 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
SUBSTITUTES & CROSS-REFERENCES 3
MIL-DTL-1222Reference document
Same NSN cross-reference
Reference document — Secondary reference
MILS1222Reference document
Same NSN cross-reference
Reference document — Secondary reference
S1601Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0S1601?
0S1601 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 0S1601?
There are 3 known substitutes for 0S1601: MIL-DTL-1222, MILS1222, S1601. Substitute compatibility should be verified for your specific system.
What is the NSN for 0S1601?
0S1601 is cataloged in the U.S. Government catalog under NSN 5305-00-260-4511. This indicates validated use in U.S. government and defense supply chains.
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