PartsTable
Technical Data Sheet
Download PDF

M806438 — WASHER,SEAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

M806438: WASHER,SEAL.

The WASHER,SEAL is a the manufacturer industrial component. Key specifications include hole_diameter: 12.0 MILLIMETERS NOMINAL12.0 MILLIMETERS NOMINAL MM, overall_height: 2.0 MILLIMETERS NOMINAL2.0 MILLIMETERS NOMINAL MM, outside_diameter: 19.0 MILLIMETERS NOMINAL19.0 MILLIMETERS NOMINAL MM, style_designator: CONCAVE, surface_treatment: ZINC OVERALL, end_item_identification: 1740-01-632-94761740-01-632-9476. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-652-0685, 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
M806438
NSN: 5310-01-652-0685
FSC: 5310 — Nuts and Washers
CAGE: 0XWZ3 — DEERE & COMPANY DBA DEERE JOHN CO DIV JOHN DEERE SABD & GOVERNMENT SALES (USA)
SPECIFICATIONS
hole_diameter12.0 MILLIMETERS NOMINAL12.0 MILLIMETERS NOMINAL MM
overall_height2.0 MILLIMETERS NOMINAL2.0 MILLIMETERS NOMINAL MM
outside_diameter19.0 MILLIMETERS NOMINAL19.0 MILLIMETERS NOMINAL MM
style_designatorCONCAVE
surface_treatmentZINC OVERALL
end_item_identification1740-01-632-94761740-01-632-9476
part_name_assigned_by_controlling_agencyZINC PLATED SEALING WASHERZINC PLATED SEALING WASHER
NSN5310-01-652-0685
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M806438 · 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: 19.0 MILLIMETERS NOMINAL19.0 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT: ZINC OVERALL
•
HOLE DIAMETER: 12.0 MILLIMETERS NOMINAL12.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.0 MILLIMETERS NOMINAL2.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORCONCAVE
OUTSIDE DIAMETER19.0 MILLIMETERS NOMINAL19.0 MILLIMETERS NOMINAL MM
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYZINC PLATED SEALING WASHERZINC PLATED SEALING WASHER
END ITEM IDENTIFICATION1740-01-632-94761740-01-632-9476
HOLE DIAMETER12.0 MILLIMETERS NOMINAL12.0 MILLIMETERS NOMINAL MM
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: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy M806438?
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 M806438?
M806438 is a WASHER,SEAL.
What is the NSN for M806438?
M806438 is cataloged in the U.S. Government catalog under NSN 5310-01-652-0685. 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 — M806438

✓ 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.