PartsTable
Technical Data Sheet
PartsTable / COMPONENT / TW142
TW142 ✓ 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: RUBBER SYNTHETIC OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.250 INCHES NOMINAL IN, hardness_rating: 60.0 DUROMETER MINIMUM AND 70.0 DUROMETER MAXIMUM, overall_diameter: 0.375 INCHES NOMINAL IN, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-291-7913, 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
TW142
NSN: 5310-00-291-7913
FSC: 5310
CAGE: 30040 — TELECTRO SYSTEMS CORP
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.250 INCHES NOMINAL IN
hardness_rating60.0 DUROMETER MINIMUM AND 70.0 DUROMETER MAXIMUM
overall_diameter0.375 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-291-7913
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: TW142 · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.375 INCHES NOMINAL IN
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
HARDNESS RATING: 60.0 DUROMETER MINIMUM AND 70.0 DUROMETER MAXIMUM
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
MATERIALRUBBER SYNTHETIC OVERALL
HOLE DIAMETER0.250 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.375 INCHES NOMINAL IN
THICKNESS0.062 INCHES NOMINAL IN
HARDNESS RATING60.0 DUROMETER MINIMUM AND 70.0 DUROMETER MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
3246Interchangeable
interchangeable cross-reference
interchangeable
0C265Interchangeable
interchangeable cross-reference
interchangeable
1951409Interchangeable
interchangeable cross-reference
interchangeable
247117Interchangeable
interchangeable cross-reference
interchangeable
3441WB48VDCInterchangeable
interchangeable cross-reference
interchangeable
M1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy TW142?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is TW142?
TW142 is a WASHER,FLAT.
What parts can replace TW142?
There are 16 known substitutes for TW142: 3246, 0C265, 1951409 and 13 more. Substitute compatibility should be verified for your specific system.
Is TW142 still available?
TW142 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — TW142

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026