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7010-82-804-2101 — WASHER,CONCAVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7010-82-804-2101: WASHER,CONCAVE.

The WASHER,CONCAVE is a the manufacturer industrial component. Key specifications include radius: 0.391 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN, material: COPPER ALLOY 172 OVERALL, recess_depth: 0.130 INCHES NOMINAL IN, hole_diameter: 0.404 INCHES NOMINAL IN, outside_diameter: 0.700 INCHES NOMINAL IN, style_designator: CONCAVE. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-162-8574, 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
7010-82-804-2101
NSN: 5310-01-162-8574
FSC: 5310 — Nuts and Washers
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
radius0.391 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN
materialCOPPER ALLOY 172 OVERALL
recess_depth0.130 INCHES NOMINAL IN
hole_diameter0.404 INCHES NOMINAL IN
outside_diameter0.700 INCHES NOMINAL IN
style_designatorCONCAVE
material_thickness0.170 INCHES NOMINAL IN
material_document_and_classificationQQ-C-530,TEMPER HT FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-162-8574
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7010-82-804-2101 · 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: 0.391 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-530,TEMPER HT FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.700 INCHES NOMINAL IN
•
RECESS DEPTH: 0.130 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.170 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 172 OVERALL
•
HOLE DIAMETER: 0.404 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
RADIUS0.391 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN
STYLE DESIGNATORCONCAVE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-530,TEMPER HT FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.700 INCHES NOMINAL IN
RECESS DEPTH0.130 INCHES NOMINAL IN
MATERIAL THICKNESS0.170 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 172 OVERALL
HOLE DIAMETER0.404 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 7010-82-804-2101?
7010-82-804-2101 is a WASHER,CONCAVE.
What is the NSN for 7010-82-804-2101?
7010-82-804-2101 is cataloged in the U.S. Government catalog under NSN 5310-01-162-8574. This indicates validated use in U.S. government and defense supply chains.
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