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1185-4CN500 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1185-4CN500: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.500 MILLIMETERS NOMINAL MM, style_designator: COIL, thread_direction: RIGHT-HAND, countersink_angle: 120.0 DEGREES NOMINAL, nominal_thread_size: 0.250 MILLIMETERS MM, thread_quantity_per_inch: 20. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-286-2458, 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
1185-4CN500
NSN: 5325-00-286-2458
NIINs: 002862458, 002905121, 016440828
FSC: 5325 — Fastening Devices
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
length0.500 MILLIMETERS NOMINAL MM
style_designatorCOIL
thread_directionRIGHT-HAND
countersink_angle120.0 DEGREES NOMINAL
nominal_thread_size0.250 MILLIMETERS MM
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5325-00-286-2458
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1185-4CN500 · 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
•
LENGTH: 0.500 INCHES NOMINAL IN
•
INSERT SIZE: 0.310 IN MIN 0.330 IN MAX IN
•
STYLE DESIGNATOR: COIL
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.500 INCHES NOMINAL IN
INSERT SIZE0.310 IN MIN 0.330 IN MAX IN
STYLE DESIGNATORCOIL
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTPASSIVATE OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
208C4-0500Reference document
Same NSN cross-reference
Reference document — Secondary reference
1185-4CNX1-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
69991-4-16CReference document
Same NSN cross-reference
Reference document — Secondary reference
416936-71Reference document
Same NSN cross-reference
Reference document — Secondary reference
5325PL0917211Reference document
Same NSN cross-reference
Reference document — Informative reference only
851049Reference 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 1185-4CN500?
1185-4CN500 is a INSERT,SCREW THREAD.
What parts can replace 1185-4CN500?
There are 9 known substitutes for 1185-4CN500: 208C4-0500, 1185-4CNX1-2, 69991-4-16C and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1185-4CN500?
1185-4CN500 is cataloged in the U.S. Government catalog under NSN 5325-00-286-2458. 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.