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91731A052 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91731A052: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.375 INCHES NOMINAL IN, material: STEEL OVERALL, special_features: INTERNAL THREADS, thread_direction: RIGHT-HAND, features_provided: SELF-LOCKING, end_item_identification: 7010-01-479-3078. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-488-5564, 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
91731A052
NSN: 5325-01-488-5564
FSC: 5325 — Fastening Devices
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
length0.375 INCHES NOMINAL IN
materialSTEEL OVERALL
special_featuresINTERNAL THREADS
thread_directionRIGHT-HAND
features_providedSELF-LOCKING
end_item_identification7010-01-479-3078
thread_quantity_per_inch14
NSN5325-01-488-5564
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91731A052 · 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: 0.375 INCHES NOMINAL IN
•
FEATURES PROVIDED: SELF-LOCKING
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 14
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.375 INCHES NOMINAL IN
FEATURES PROVIDEDSELF-LOCKING
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESINTERNAL THREADS
END ITEM IDENTIFICATION7010-01-479-3078
THREAD QUANTITY PER INCH14
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 91731A052?
91731A052 is a INSERT,SCREW THREAD.
What is the NSN for 91731A052?
91731A052 is cataloged in the U.S. Government catalog under NSN 5325-01-488-5564. 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.