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305-066-008-0 — WASHER,SHOULDERED AND RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

305-066-008-0: WASHER,SHOULDERED AND RECESSED.

The WASHER,SHOULDERED AND RECESSED is a the manufacturer industrial component. Key specifications include hole_diameter: 0.275 INCHES NOMINAL IN, recess_diameter: 0.512 INCHES NOMINAL IN, outside_diameter: 0.945 INCHES NOMINAL IN, style_designator: SHOULDERED AND RECESSED, material_thickness: 0.059 INCHES NOMINAL IN, material_document_and_classification: AISI630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-180-7160, 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
305-066-008-0
NSN: 5310-01-180-7160
FSC: 5310 — Nuts and Washers
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
hole_diameter0.275 INCHES NOMINAL IN
recess_diameter0.512 INCHES NOMINAL IN
outside_diameter0.945 INCHES NOMINAL IN
style_designatorSHOULDERED AND RECESSED
material_thickness0.059 INCHES NOMINAL IN
material_document_and_classificationAISI630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-180-7160
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 305-066-008-0 · 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
•
STYLE DESIGNATOR: SHOULDERED AND RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.945 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.059 INCHES NOMINAL IN
•
RECESS DIAMETER: 0.512 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.275 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSHOULDERED AND RECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONAISI630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.945 INCHES NOMINAL IN
MATERIAL THICKNESS0.059 INCHES NOMINAL IN
RECESS DIAMETER0.512 INCHES NOMINAL IN
HOLE DIAMETER0.275 INCHES NOMINAL 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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 305-066-008-0?
305-066-008-0 is a WASHER,SHOULDERED AND RECESSED.
What is the NSN for 305-066-008-0?
305-066-008-0 is cataloged in the U.S. Government catalog under NSN 5310-01-180-7160. 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.