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00315-4 — WASHER,CONVEX

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

00315-4: WASHER,CONVEX.

The WASHER,CONVEX is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.381 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN, outside_diameter: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN, style_designator: CONVEX, surface_treatment: CADMIUM OR ZINC OVERALL, material_thickness: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-167-0727, 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
00315-4
NSN: 5310-00-167-0727
FSC: 5310 — Nuts and Washers
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.381 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN
outside_diameter0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
style_designatorCONVEX
surface_treatmentCADMIUM OR ZINC OVERALL
material_thickness0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
surface_treatment_document_and_classificationAN-P-61 MIL STD 1ST TREATMENT RESPONSE AND AN-P-32 MIL STD 2ND TREATMENT RESPONSE OVERALL
NSN5310-00-167-0727
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 00315-4 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AN-P-61 MIL STD 1ST TREATMENT RESPONSE AND AN-P-32 MIL STD 2ND TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: CONVEX
•
OUTSIDE DIAMETER: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.381 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAN-P-61 MIL STD 1ST TREATMENT RESPONSE AND AN-P-32 MIL STD 2ND TREATMENT RESPONSE OVERALL
STYLE DESIGNATORCONVEX
OUTSIDE DIAMETER0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
MATERIAL THICKNESS0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.381 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
955-6Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 00315-4?
00315-4 is a WASHER,CONVEX.
What parts can replace 00315-4?
There is 1 known substitute for 00315-4: 955-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 00315-4?
00315-4 is cataloged in the U.S. Government catalog under NSN 5310-00-167-0727. 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.