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540-6682-002 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

540-6682-002: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: CELLULOSE OVERALL, thickness: 0.015 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN, hole_diameter: 0.171 INCHES NOMINAL IN, overall_diameter: 0.500 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-515-5550, 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
540-6682-002
NSN: 5310-00-515-5550
FSC: 5310 — Nuts and Washers
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
thickness0.015 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
hole_diameter0.171 INCHES NOMINAL IN
overall_diameter0.500 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationHH-I-536,TYPE NMS FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-515-5550
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 540-6682-002 · 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
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: HH-I-536,TYPE NMS FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: CELLULOSE OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.171 INCHES NOMINAL IN
•
THICKNESS: 0.015 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONHH-I-536,TYPE NMS FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALCELLULOSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.171 INCHES NOMINAL IN
THICKNESS0.015 INCHES MINIMUM AND 0.030 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 1
651804-157Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 540-6682-002?
540-6682-002 is a WASHER,FLAT.
What parts can replace 540-6682-002?
There is 1 known substitute for 540-6682-002: 651804-157. Substitute compatibility should be verified for your specific system.
What is the NSN for 540-6682-002?
540-6682-002 is cataloged in the U.S. Government catalog under NSN 5310-00-515-5550. This indicates validated use in U.S. government and defense supply chains.
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