PartsTable
Technical Data Sheet
Download PDF

0178260 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

0178260: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, special_features: CLEAN PER ASTM A380, unable_to_decode: UNABLE TO DECODE, end_item_identification: 4940-01601-192B, part_name_assigned_by_controlling_agency: WASHER,FENDER. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-733-1902, 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
0178260
NSN: 5310-01-733-1902
FSC: 5310 — Nuts and Washers
CAGE: 49181 — FASTENAL COMPANY DIV BIND (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
special_featuresCLEAN PER ASTM A380
unable_to_decodeUNABLE TO DECODE
end_item_identification4940-01601-192B
part_name_assigned_by_controlling_agencyWASHER,FENDER
NSN5310-01-733-1902
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0178260 · 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
•
UNABLE TO DECODE: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
SPECIAL FEATURESCLEAN PER ASTM A380
UNABLE TO DECODEUNABLE TO DECODE
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,FENDER
END ITEM IDENTIFICATION4940-01601-192B
MATERIALSTEEL COMP 316 OVERALL
UNABLE TO DECODEUNABLE TO DECODE
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
11B5091716Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 0178260?
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 0178260?
0178260 is a WASHER,FLAT.
What parts can replace 0178260?
There is 1 known substitute for 0178260: 11B5091716. Substitute compatibility should be verified for your specific system.
What is the NSN for 0178260?
0178260 is cataloged in the U.S. Government catalog under NSN 5310-01-733-1902. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 0178260

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.