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PartsTable / COMPONENT / 950039-2
950039-2 ✓ 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 NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PLATE, nut_height: 0.171 INCHES MAXIMUM IN, nut_length: 0.682 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, plate_width: 0.357 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-840-1321, 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
950039-2
NSN: 5310-00-840-1321
FSC: 5310
CAGE: 13973 — LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePLATE
nut_height0.171 INCHES MAXIMUM IN
nut_length0.682 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
plate_width0.357 INCHES MAXIMUM IN
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNJC
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.140 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
NSN5310-00-840-1321
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 950039-2 · 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
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
•
NUT MOUNTING PROVISION: STRAIGHT HOLES
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
LUBRICATION: DRY FILM LUBRICANT
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
PLATE WIDTH: 0.357 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
NUT MOUNTING PROVISIONSTRAIGHT HOLES
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONDRY FILM LUBRICANT
NOMINAL THREAD SIZE0.138 INCHES IN
MATERIALSTEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
PLATE WIDTH0.357 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH0.435 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.218 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1243603-4Interchangeable
interchangeable cross-reference
interchangeable
8720Interchangeable
interchangeable cross-reference
interchangeable
FF-W-92Interchangeable
interchangeable cross-reference
interchangeable
RFM20A06Interchangeable
interchangeable cross-reference
interchangeable
MF1000-06T2Interchangeable
interchangeable cross-reference
interchangeable
10121697Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 950039-2?
950039-2 is a NUT,SELF-LOCKING,PLATE.
What parts can replace 950039-2?
There are 12 known substitutes for 950039-2: 1243603-4, 8720, FF-W-92 and 9 more. Substitute compatibility should be verified for your specific system.
Is 950039-2 still available?
950039-2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026