PartsTable
Technical Data Sheet
Download PDF

92781A029 — WASHER,SEAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

92781A029: WASHER,SEAL.

The WASHER,SEAL is a the manufacturer industrial component. Key specifications include material: STEEL BODY, hole_diameter: 0.240 INCHES NOMINAL0.240 INCHES NOMINAL IN, overall_height: 0.045 INCHES MINIMUM AND 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM0.055 INCHES MAXIMUM IN, outside_diameter: 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN, style_designator: CONCAVE, surface_treatment: ZINC BODY. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-526-2738, 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
92781A029
NSN: 5310-01-526-2738
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL BODY
hole_diameter0.240 INCHES NOMINAL0.240 INCHES NOMINAL IN
overall_height0.045 INCHES MINIMUM AND 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM0.055 INCHES MAXIMUM IN
outside_diameter0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN
style_designatorCONCAVE
surface_treatmentZINC BODY
end_item_identificationTACTICAL WATER PURIFICATION SYSTEM (TWPS) NSN 4610-01-488-9656TACTICAL WATER PURIFICATION SYSTEM (TWPS) NSN 4610-01-488-9656
NSN5310-01-526-2738
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 92781A029 · 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
•
STYLE DESIGNATOR: CONCAVE
•
OUTSIDE DIAMETER: 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC BODY
•
MATERIAL: STEEL BODY
•
HOLE DIAMETER: 0.240 INCHES NOMINAL0.240 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.045 INCHES MINIMUM AND 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM0.055 INCHES MAXIMUM IN
STYLE DESIGNATORCONCAVE
OUTSIDE DIAMETER0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN
SURFACE TREATMENTZINC BODY
END ITEM IDENTIFICATIONTACTICAL WATER PURIFICATION SYSTEM (TWPS) NSN 4610-01-488-9656TACTICAL WATER PURIFICATION SYSTEM (TWPS) NSN 4610-01-488-9656
MATERIALSTEEL BODY
MATERIALRUBBER SEALING ELEMENT
HOLE DIAMETER0.240 INCHES NOMINAL0.240 INCHES NOMINAL IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 92781A029?
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 92781A029?
92781A029 is a WASHER,SEAL.
What is the NSN for 92781A029?
92781A029 is cataloged in the U.S. Government catalog under NSN 5310-01-526-2738. 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 — 92781A029

✓ 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.