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LH12105T-12 — LH12105T-12

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

LH12105T-12: LH12105T-12.

The LH12105T-12 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-456-8489, 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
LH12105T-12
NSN: 5310-01-456-8489
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
Part NumberLH12105T-12
NSN5310-01-456-8489
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LH12105T-12 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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WASHER OUTSIDE DIAMETER: 1.250 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
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THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
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TEMP RATING: 649.0 CELSIUS NOMINAL DEGC
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WASHER THICKNESS: 0.152 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.786 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER1.250 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING649.0 CELSIUS NOMINAL DEGC
WASHER THICKNESS0.152 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.750 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 1
GN511AE12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LH12105T-12?
LH12105T-12 is a LH12105T-12.
What parts can replace LH12105T-12?
There is 1 known substitute for LH12105T-12: GN511AE12. Substitute compatibility should be verified for your specific system.
What is the NSN for LH12105T-12?
LH12105T-12 is cataloged in the U.S. Government catalog under NSN 5310-01-456-8489. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.