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4491-5CN0427 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4491-5CN0427: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 7.875 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, insert_size: 0.380 IN. MIN,0.400 IN.

MAX IN, style_designator: COIL, nominal_thread_size: 0.3125 INCHES IN, thread_quantity_per_inch: 24. This part is cataloged in the U.S. Government catalog under NSN 5325-00-863-8137, 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
4491-5CN0427
NSN: 5325-00-863-8137
NIINs: 008638137, 010969505
FSC: 5325 — Fastening Devices
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
length7.875 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
insert_size0.380 IN. MIN,0.400 IN. MAX IN
style_designatorCOIL
nominal_thread_size0.3125 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
material_document_and_classificationAMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5325-00-863-8137
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4491-5CN0427 · 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4491-5CN0427?
4491-5CN0427 is a INSERT,SCREW THREAD.
What is the NSN for 4491-5CN0427?
4491-5CN0427 is cataloged in the U.S. Government catalog under NSN 5325-00-863-8137. 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.