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863994 — WASHER,FLAT

✓ Government record, cited
Legrand · NUT WASHER
PRODUCT OVERVIEW

863994: WASHER,FLAT.

The WASHER,FLAT is a Legrand industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, thickness: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN, hole_diameter: 0.626 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN, overall_diameter: 1.062 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND DICHROMATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-262-4487, 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
863994
NSN: 5310-00-262-4487
FSC: 5310 — Nuts and Washers
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
thickness0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
hole_diameter0.626 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
overall_diameter1.062 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND DICHROMATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-262-4487
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 863994 · Legrand ⚠ 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
•
OVERALL DIAMETER: 1.062 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: CADMIUM AND DICHROMATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1010 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.626 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.062 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTCADMIUM AND DICHROMATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1010 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.626 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
THICKNESS0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
1914844Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1915150Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
5810E9008Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 863994?
863994 is a WASHER,FLAT manufactured by Legrand.
What parts can replace 863994?
There are 3 known substitutes for 863994: 1914844, 1915150, 5810E9008. Substitute compatibility should be verified for your specific system.
What is the NSN for 863994?
863994 is cataloged in the U.S. Government catalog under NSN 5310-00-262-4487. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.