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8615949 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8615949: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include radius: 0.031 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN, overall_height: 0.091 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN, recess_diameter: 0.390 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN, outside_diameter: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-329-3263, 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
8615949
NSN: 5310-01-329-3263
FSC: 5310 — Nuts and Washers
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
radius0.031 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
overall_height0.091 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
recess_diameter0.390 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN
outside_diameter0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
style_designatorRECESSED
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-329-3263
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8615949 · 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
•
RADIUS: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
RECESS DIAMETER: 0.390 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOLE DIAMETER: 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.091 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
RADIUS0.031 INCHES NOMINAL IN
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
RECESS DIAMETER0.390 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8615949?
8615949 is a WASHER,RECESSED.
What is the NSN for 8615949?
8615949 is cataloged in the U.S. Government catalog under NSN 5310-01-329-3263. 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.