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KL10139-3 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

KL10139-3: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.312 INCHES NOMINAL IN, insert_size: 0.312-18 UNJC 3A RH A, style_designator: KEYLOCK, top_portion_unthreaded_outside_length: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-009-2541, 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
KL10139-3
NSN: 5325-01-009-2541
FSC: 5325 — Fastening Devices
CAGE: 75237 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV MICRODOT PRODUCTS (USA)
SPECIFICATIONS
length0.312 INCHES NOMINAL IN
insert_size0.312-18 UNJC 3A RH A
style_designatorKEYLOCK
top_portion_unthreaded_outside_length0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
NSN5325-01-009-2541
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: KL10139-3 · 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: 0.312 INCHES NOMINAL IN
•
INSERT SIZE: 0.312-18 UNJC 3A RH A
•
STYLE DESIGNATOR: KEYLOCK
•
TOP PORTION UNTHREADED OUTSIDE LENGTH: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LENGTH0.312 INCHES NOMINAL IN
INSERT SIZE0.312-18 UNJC 3A RH A
STYLE DESIGNATORKEYLOCK
TOP PORTION UNTHREADED OUTSIDE LENGTH0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
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 3
936BW-3SE312Reference document
Same NSN cross-reference
Reference document — Secondary reference
936BW-3SE0312Reference document
Same NSN cross-reference
Reference document — Secondary reference
3017T47P01Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 KL10139-3?
KL10139-3 is a INSERT,SCREW THREAD.
What parts can replace KL10139-3?
There are 3 known substitutes for KL10139-3: 936BW-3SE312, 936BW-3SE0312, 3017T47P01. Substitute compatibility should be verified for your specific system.
What is the NSN for KL10139-3?
KL10139-3 is cataloged in the U.S. Government catalog under NSN 5325-01-009-2541. 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.