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556-8297-76 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

556-8297-76: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.750 INCHES NOMINAL IN, insert_size: 0.592 IN. MIN,0.617 IN.

MAX IN, style_designator: COIL, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S. Government catalog under NSN 5325-00-291-3488, 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
556-8297-76
NSN: 5325-00-291-3488
FSC: 5325 — Fastening Devices
CAGE: 11530 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN INFORMATION SYSTEMS & GLOBAL SOLUTIONS (USA)
SPECIFICATIONS
length0.750 INCHES NOMINAL IN
insert_size0.592 IN. MIN,0.617 IN. MAX IN
style_designatorCOIL
surface_treatmentPASSIVATE OVERALL
NSN5325-00-291-3488
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 556-8297-76 · 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: 0.750 INCHES NOMINAL IN
•
INSERT SIZE: 0.592 IN. MIN,0.617 IN. MAX IN
•
STYLE DESIGNATOR: COIL
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.750 INCHES NOMINAL IN
INSERT SIZE0.592 IN. MIN,0.617 IN. MAX IN
STYLE DESIGNATORCOIL
SURFACE TREATMENTPASSIVATE OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
5325PL0917250Reference document
Same NSN cross-reference
Reference document — Informative reference only
1191-8CN0750Reference document
Same NSN cross-reference
Reference document — Secondary reference
5340005142316Reference document
Same NSN cross-reference
Reference document — Informative reference only
MS124700Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS21208F8-15Reference document
Same NSN cross-reference
Reference document — Secondary reference
697816Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 556-8297-76?
556-8297-76 is a INSERT,SCREW THREAD.
What parts can replace 556-8297-76?
There are 7 known substitutes for 556-8297-76: 5325PL0917250, 1191-8CN0750, 5340005142316 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 556-8297-76?
556-8297-76 is cataloged in the U.S. Government catalog under NSN 5325-00-291-3488. 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.