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131395 ✓ 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 DIFFERENTIAL GEAR UNIT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, special_features: SMALLEST STEP DIAMETER 0.0932 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM; LARGEST STEP DIAMETER 0.600 INCHES MAXIMUM IN, nominal_overall_length: 2.590 INCHES IN, end_item_identification: AIRCRAFT MODEL AV-8. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-1395, 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
131395
NSN: 5310-00-013-1395
FSC: 5310
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
special_featuresSMALLEST STEP DIAMETER 0.0932 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM; LARGEST STEP DIAMETER 0.600 INCHES MAXIMUM IN
nominal_overall_length2.590 INCHES IN
end_item_identificationAIRCRAFT MODEL AV-8
NSN5310-00-013-1395
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 131395 · 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
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 20
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
BEARING SURFACE TYPE: FLAT
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
NUT STYLE: SQUARE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
THREAD QUANTITY PER INCH20
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPEFLAT
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND
NUT STYLESQUARE
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
WIDTH ACROSS FLATS0.423 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
MILB933TYPEBInterchangeable
interchangeable cross-reference
interchangeable
34141SInterchangeable
interchangeable cross-reference
interchangeable
103102Interchangeable
interchangeable cross-reference
interchangeable
FF-N-836E TYPE 1 STYLE 3Interchangeable
interchangeable cross-reference
interchangeable
103104Interchangeable
interchangeable cross-reference
interchangeable
103105Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 131395?
131395 is a DIFFERENTIAL GEAR UNIT.
What parts can replace 131395?
There are 23 known substitutes for 131395: MILB933TYPEB, 34141S, 103102 and 20 more. Substitute compatibility should be verified for your specific system.
Is 131395 still available?
131395 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