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PBN77752A — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

PBN77752A: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.383 INCHES NOMINAL IN, overall_diameter: 0.688 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-362-1052, 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
PBN77752A
NSN: 5310-00-362-1052
FSC: 5310 — Nuts and Washers
CAGE: 57526 — FORD MOTOR COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.383 INCHES NOMINAL IN
overall_diameter0.688 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-362-1052
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PBN77752A · 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: 0.688 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: ZINC OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1010 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.383 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.688 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTZINC OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1010 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.383 INCHES NOMINAL IN
THICKNESS0.062 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
805790Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
583K963Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
850818Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
35037Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PBN77752A?
PBN77752A is a WASHER,FLAT.
What parts can replace PBN77752A?
There are 4 known substitutes for PBN77752A: 805790, 583K963, 850818 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PBN77752A?
PBN77752A is cataloged in the U.S. Government catalog under NSN 5310-00-362-1052. 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.