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1642724 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1642724: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: PLASTIC NYLON POINT, fastener_length: 0.188 INCHES NOMINAL IN, end_item_identification: 2320-01-522-1859; FMTV, nominal_thread_diameter: 0.250 INCHES IN, thread_series_designator: UN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-583-0449, 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
1642724
NSN: 5305-01-583-0449
FSC: 5305 — Screws
CAGE: 5X050 — CRYSTEEL MANUFACTURING, INC DBA CRYSTEEL MANUFACTURING INC (USA)
SPECIFICATIONS
materialPLASTIC NYLON POINT
fastener_length0.188 INCHES NOMINAL IN
end_item_identification2320-01-522-1859; FMTV
nominal_thread_diameter0.250 INCHES IN
thread_series_designatorUN
NSN5305-01-583-0449
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1642724 · 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
•
FASTENER LENGTH: 0.188 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
MATERIAL: PLASTIC NYLON POINT
•
THREAD SERIES DESIGNATOR: UN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.188 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
END ITEM IDENTIFICATION2320-01-522-1859; FMTV
MATERIALPLASTIC NYLON POINT
THREAD SERIES DESIGNATORUN
SUBSTITUTES & CROSS-REFERENCES 1
400149Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1642724?
1642724 is a SETSCREW.
What parts can replace 1642724?
There is 1 known substitute for 1642724: 400149. Substitute compatibility should be verified for your specific system.
What is the NSN for 1642724?
1642724 is cataloged in the U.S. Government catalog under NSN 5305-01-583-0449. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.