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Technical Data Sheet
PartsTable / COMPONENT / 136958H
136958H ✓ 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 WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: WOOL COMP 12R2 OVERALL, thickness: 0.125 INCHES NOMINAL IN, hole_diameter: 0.906 INCHES NOMINAL IN, overall_diameter: 1.281 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-290-7940, 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
136958H
NSN: 5310-00-290-7940
FSC: 5310
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialWOOL COMP 12R2 OVERALL
thickness0.125 INCHES NOMINAL IN
hole_diameter0.906 INCHES NOMINAL IN
overall_diameter1.281 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationC-F-206,TYPE 1,CL 12R2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-290-7940
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 136958H · 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: WOOL COMP 12R2 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: C-F-206,TYPE 1,CL 12R2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL DIAMETER: 1.281 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.906 INCHES NOMINAL IN
•
THICKNESS: 0.125 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALWOOL COMP 12R2 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONC-F-206,TYPE 1,CL 12R2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER1.281 INCHES NOMINAL IN
HOLE DIAMETER0.906 INCHES NOMINAL IN
THICKNESS0.125 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
3650Interchangeable
interchangeable cross-reference
interchangeable
898410Interchangeable
interchangeable cross-reference
interchangeable
5302-0500Interchangeable
interchangeable cross-reference
interchangeable
E16-2Interchangeable
interchangeable cross-reference
interchangeable
377-8002-110Interchangeable
interchangeable cross-reference
interchangeable
3650S1-104Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 136958H?
136958H is a WASHER,FLAT.
What parts can replace 136958H?
There are 19 known substitutes for 136958H: 3650, 898410, 5302-0500 and 16 more. Substitute compatibility should be verified for your specific system.
Is 136958H still available?
136958H 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