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67992W428 — WASHER,CONCAVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

67992W428: WASHER,CONCAVE.

The WASHER,CONCAVE is a the manufacturer industrial component. Key specifications include radius: 0.265 INCHES NOMINAL IN, material: STEEL OVERALL, hole_diameter: 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN, outside_diameter: 0.464 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN, style_designator: CONCAVE, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-620-8215, 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
67992W428
NSN: 5310-00-620-8215
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
radius0.265 INCHES NOMINAL IN
materialSTEEL OVERALL
hole_diameter0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
outside_diameter0.464 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN
style_designatorCONCAVE
surface_treatmentCADMIUM OVERALL
material_thickness0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
material_document_and_classificationASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-620-8215
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 67992W428 · 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: QQ-P-416,TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
RADIUS: 0.265 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.464 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
RADIUS0.265 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.464 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN
MATERIAL THICKNESS0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
9033693Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2935-04Reference document
Same NSN cross-reference
Reference document — Secondary reference
SME389203-87Same 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 67992W428?
67992W428 is a WASHER,CONCAVE.
What parts can replace 67992W428?
There are 3 known substitutes for 67992W428: 9033693, 2935-04, SME389203-87. Substitute compatibility should be verified for your specific system.
What is the NSN for 67992W428?
67992W428 is cataloged in the U.S. Government catalog under NSN 5310-00-620-8215. 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.