PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 0120.025.01.11
0120.025.01.11 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The 0120.025.01.11 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-546-6139, 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
0120.025.01.11
NSN: 5310-01-546-6139
FSC: 5310
CAGE: 1GV12 — FASTENERS INC. (USA)
SPECIFICATIONS
Part Number0120.025.01.11
NSN5310-01-546-6139
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0120.025.01.11 · 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
•
MATERIAL: STEEL CORROSION RESISTING NUT
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 3A A
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION1940-01-526-7164, MK3 BRIDGE ERECTION BOAT
SPECIAL FEATURESMATERIAL IS 18-8 STAINLESS STEEL, INSERT IS NYLON
MATERIALSTEEL CORROSION RESISTING NUT
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A A
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
PART NAME ASSIGNED BY CONTROLLING AGENCY1/4" - 20 (NC) FIN. NYLON LOCK NUT
THREAD QUANTITY PER INCH20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
55946Interchangeable
interchangeable cross-reference
interchangeable
11582Interchangeable
interchangeable cross-reference
interchangeable
UMP17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0120.025.01.11?
0120.025.01.11 is a 0120.025.01.11.
What parts can replace 0120.025.01.11?
There are 3 known substitutes for 0120.025.01.11: 55946, 11582, UMP17. Substitute compatibility should be verified for your specific system.
What is the NSN for 0120.025.01.11?
0120.025.01.11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-546-6139. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026