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6756528 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6756528: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1211 OVERALL, recess_angle: 60.0 DEGREES NOMINAL, recess_depth: 0.100 INCHES NOMINAL IN, hole_diameter: 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, recess_diameter: 0.640 INCHES NOMINAL IN, outside_diameter: 2.221 INCHES MINIMUM AND 2.223 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-836-9446, 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
6756528
NSN: 5310-00-836-9446
FSC: 5310 — Nuts and Washers
CAGE: 63005 — ROLLS-ROYCE CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1211 OVERALL
recess_angle60.0 DEGREES NOMINAL
recess_depth0.100 INCHES NOMINAL IN
hole_diameter0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
recess_diameter0.640 INCHES NOMINAL IN
outside_diameter2.221 INCHES MINIMUM AND 2.223 INCHES MAXIMUM IN
style_designatorRECESSED
material_thickness0.365 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-836-9446
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6756528 · 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: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.221 INCHES MINIMUM AND 2.223 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.100 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.365 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
•
RECESS DIAMETER: 0.640 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1211 OVERALL
•
HOLE DIAMETER: 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.221 INCHES MINIMUM AND 2.223 INCHES MAXIMUM IN
RECESS DEPTH0.100 INCHES NOMINAL IN
MATERIAL THICKNESS0.365 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
RECESS DIAMETER0.640 INCHES NOMINAL IN
MATERIALSTEEL COMP 1211 OVERALL
HOLE DIAMETER0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
RECESS ANGLE60.0 DEGREES NOMINAL
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 6756528?
6756528 is a WASHER,RECESSED.
What is the NSN for 6756528?
6756528 is cataloged in the U.S. Government catalog under NSN 5310-00-836-9446. 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.