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341637-5 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

341637-5: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 1.360 INCHES NOMINAL IN, material: ALUMINUM OVERALL, insert_size: 1.250-12 UNF 3A A, style_designator: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-639-9378, 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
341637-5
NSN: 5325-00-639-9378
FSC: 5325 — Fastening Devices
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
length1.360 INCHES NOMINAL IN
materialALUMINUM OVERALL
insert_size1.250-12 UNF 3A A
style_designatorPLAIN
NSN5325-00-639-9378
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 341637-5 · 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: 1.360 INCHES NOMINAL IN
•
INSERT SIZE: 1.250-12 UNF 3A A
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: ALUMINUM OVERALL
TECHNICAL CHARACTERISTICS
LENGTH1.360 INCHES NOMINAL IN
INSERT SIZE1.250-12 UNF 3A A
STYLE DESIGNATORPLAIN
MATERIALALUMINUM OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
341637Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 341637-5?
341637-5 is a INSERT,SCREW THREAD.
What parts can replace 341637-5?
There is 1 known substitute for 341637-5: 341637. Substitute compatibility should be verified for your specific system.
What is the NSN for 341637-5?
341637-5 is cataloged in the U.S. Government catalog under NSN 5325-00-639-9378. 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.