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PartsTable / COMPONENT / 67992W428
67992W428 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

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 product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) 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
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
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: CONCAVE
•
OUTSIDE DIAMETER: 0.464 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL THICKNESS: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
RADIUS: 0.265 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORCONCAVE
OUTSIDE DIAMETER0.464 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
MATERIAL THICKNESS0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
RADIUS0.265 INCHES NOMINAL IN
HOLE DIAMETER0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
293504Interchangeable
interchangeable cross-reference
interchangeable
08-005265Interchangeable
interchangeable cross-reference
interchangeable
SYNTHOCASTInterchangeable
interchangeable cross-reference
interchangeable
2829-04Interchangeable
interchangeable cross-reference
interchangeable
006482Interchangeable
interchangeable cross-reference
interchangeable
9033693Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 67992W428?
67992W428 is a WASHER,CONCAVE.
What parts can replace 67992W428?
There are 7 known substitutes for 67992W428: 293504, 08-005265, SYNTHOCAST and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 67992W428?
67992W428 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-620-8215. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026