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SC5310-0021-303 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SC5310-0021-303: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.187 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, insert_size: 11/64-40 NS EXTERNAL THD NS, style_designator: PLAIN, features_provided: INDIVIDUALLY KEYED, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-945-2543, 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
SC5310-0021-303
NSN: 5325-00-945-2543
FSC: 5325 — Fastening Devices
CAGE: 12115 — DRS ICAS, LLC (USA)
SPECIFICATIONS
length0.187 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
insert_size11/64-40 NS EXTERNAL THD NS
style_designatorPLAIN
features_providedINDIVIDUALLY KEYED
surface_treatmentPASSIVATE OVERALL
NSN5325-00-945-2543
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SC5310-0021-303 · 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: 0.187 INCHES NOMINAL IN
•
INSERT SIZE: 11/64-40 NS EXTERNAL THD NS
•
STYLE DESIGNATOR: PLAIN
•
FEATURES PROVIDED: INDIVIDUALLY KEYED
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.187 INCHES NOMINAL IN
INSERT SIZE11/64-40 NS EXTERNAL THD NS
STYLE DESIGNATORPLAIN
FEATURES PROVIDEDINDIVIDUALLY KEYED
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
NM11240-50Reference document
Same NSN cross-reference
Reference document — Secondary reference
500777-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 SC5310-0021-303?
SC5310-0021-303 is a INSERT,SCREW THREAD.
What parts can replace SC5310-0021-303?
There are 2 known substitutes for SC5310-0021-303: NM11240-50, 500777-1. Substitute compatibility should be verified for your specific system.
What is the NSN for SC5310-0021-303?
SC5310-0021-303 is cataloged in the U.S. Government catalog under NSN 5325-00-945-2543. 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.