PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 02966
02966 ✓ 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: STEEL OVERALL, thickness: 0.049 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, hole_diameter: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN, overall_diameter: 0.657 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL, peripheral_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-436-7281, 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
02966
NSN: 5310-00-436-7281
FSC: 5310
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.049 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
hole_diameter0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
overall_diameter0.657 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
surface_treatment_document_and_classificationA-E-S 13-52 CLASS A TYPE 2 92739 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-436-7281
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 02966 · 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
•
HOLE DIAMETER: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: A-E-S 13-52 CLASS A TYPE 2 92739 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
OVERALL DIAMETER: 0.657 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
•
THICKNESS: 0.049 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONA-E-S 13-52 CLASS A TYPE 2 92739 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
OVERALL DIAMETER0.657 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
THICKNESS0.049 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
4M36-03030Interchangeable
interchangeable cross-reference
interchangeable
FF-W-92BInterchangeable
interchangeable cross-reference
interchangeable
MIL-S-18729CInterchangeable
interchangeable cross-reference
interchangeable
B168212-01Interchangeable
Same NIIN cross-reference
interchangeable
SAE-AMS-QQ-P-416AInterchangeable
Same NIIN cross-reference
interchangeable
168212-01Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 02966?
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 02966?
02966 is a WASHER,FLAT.
What parts can replace 02966?
There are 6 known substitutes for 02966: 4M36-03030, FF-W-92B, MIL-S-18729C and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 02966?
02966 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-436-7281. This indicates validated use in U.S. government and defense supply chains.
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 — 02966

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