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PartsTable / COMPONENT / 131-135-1
131-135-1 ✓ 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 MICROCIRCUIT,DIGITAL 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 5310-01-019-2156, 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
131-135-1
NSN: 5310-01-019-2156
FSC: 5310
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
Part Number131-135-1
NSN5310-01-019-2156
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 131-135-1 · 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
•
NUT STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 20
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
WASHER THICKNESS: 0.075 INCHES NOMINAL IN
•
THREAD CLASS: 3B
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
THREAD QUANTITY PER INCH20
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.250 INCHES IN
WASHER THICKNESS0.075 INCHES NOMINAL IN
THREAD CLASS3B
OVERALL HEIGHT0.230 INCHES NOMINAL IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
MATERIALSTEEL OVERALL
WIDTH ACROSS FLATS0.432 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
14966Interchangeable
interchangeable cross-reference
interchangeable
X3232Interchangeable
interchangeable cross-reference
interchangeable
NAS1496-06Interchangeable
interchangeable cross-reference
interchangeable
ALSFT6-6Interchangeable
interchangeable cross-reference
interchangeable
NAS1496-6Interchangeable
interchangeable cross-reference
interchangeable
861131Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 131-135-1?
131-135-1 is a MICROCIRCUIT,DIGITAL.
What parts can replace 131-135-1?
There are 16 known substitutes for 131-135-1: 14966, X3232, NAS1496-06 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 131-135-1?
131-135-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-019-2156. 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