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12490542 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12490542: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.880 INCHES NOMINAL IN, material: STEEL COMP 4130 BODY, thread_class: 2A A, thread_length: 0.880 INCHES NOMINAL IN, special_features: INSERT SCREW THREADED, style_designator: KEYLOCK. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-563-6536, 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
12490542
NSN: 5325-01-563-6536
FSC: 5325 — Fastening Devices
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
length0.880 INCHES NOMINAL IN
materialSTEEL COMP 4130 BODY
thread_class2A A
thread_length0.880 INCHES NOMINAL IN
special_featuresINSERT SCREW THREADED
style_designatorKEYLOCK
thread_directionRIGHT-HAND
surface_treatmentLUBRICANT BODY
nominal_thread_size0.438 INCHES IN
end_item_identification2350-01-087-1095, TANK COMBAT FULL TRACKED
thread_quantity_per_inch20
thread_series_designatorUNF
NSN5325-01-563-6536
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12490542 · 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: 0.880 INCHES NOMINAL IN
•
THREAD LENGTH: 0.880 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEYLOCK
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.438 INCHES IN
•
TOP UNTHREADED PORTION OUTSIDE DIAMETER: 0.906 INCHES NOMINAL IN
•
TOP PORTION UNTHREADED OUTSIDE LENGTH: 0.880 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH0.880 INCHES NOMINAL IN
THREAD LENGTH0.880 INCHES NOMINAL IN
STYLE DESIGNATORKEYLOCK
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.438 INCHES IN
TOP UNTHREADED PORTION OUTSIDE DIAMETER0.906 INCHES NOMINAL IN
TOP PORTION UNTHREADED OUTSIDE LENGTH0.880 INCHES NOMINAL IN
SPECIAL FEATURESINSERT SCREW THREADED
SURFACE TREATMENTLUBRICANT BODY
THREAD CLASS2A A
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 12490542?
12490542 is a INSERT,SCREW THREAD.
What is the NSN for 12490542?
12490542 is cataloged in the U.S. Government catalog under NSN 5325-01-563-6536. 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.