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3180971-3 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3180971-3: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY K-500 OVERALL, hole_diameter: 0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, outside_diameter: 0.560 INCHES NOMINAL IN, style_designator: RECESSED BOTH SIDES, top_recess_angle: 90.0 DEGREES NOMINAL, material_thickness: 0.062 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-353-5122, 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
3180971-3
NSN: 5310-01-353-5122
FSC: 5310 — Nuts and Washers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialNICKEL ALLOY K-500 OVERALL
hole_diameter0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
outside_diameter0.560 INCHES NOMINAL IN
style_designatorRECESSED BOTH SIDES
top_recess_angle90.0 DEGREES NOMINAL
material_thickness0.062 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
bottom_recess_angle90.0 DEGREES NOMINAL
top_recess_diameter0.296 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN
bottom_recess_diameter0.296 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN
material_document_and_classificationQQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-353-5122
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3180971-3 · 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
•
TOP RECESS DIAMETER: 0.296 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN
•
BOTTOM RECESS DIAMETER: 0.296 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN
•
TOP RECESS ANGLE: 90.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: RECESSED BOTH SIDES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.560 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
•
BOTTOM RECESS ANGLE: 90.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
TOP RECESS DIAMETER0.296 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN
BOTTOM RECESS DIAMETER0.296 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN
TOP RECESS ANGLE90.0 DEGREES NOMINAL
STYLE DESIGNATORRECESSED BOTH SIDES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.560 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
MATERIALNICKEL ALLOY K-500 OVERALL
HOLE DIAMETER0.252 INCHES MINIMUM AND 0.260 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3180971-3?
3180971-3 is a WASHER,RECESSED.
What is the NSN for 3180971-3?
3180971-3 is cataloged in the U.S. Government catalog under NSN 5310-01-353-5122. This indicates validated use in U.S. government and defense supply chains.
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