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Technical Data Sheet

1785275 — Technical Data Sheet

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— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL, hole_diameter: 0.279 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN, outside_diameter: 3.090 INCHES NOMINAL IN, special_features: 0. 187 IN.

CAM SHAPE 0N 0D IN, style_designator: CIRCULAR, aperture_diameter: 2.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 5310-00-197-8822, 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
1785275
NSN: 5310-00-197-8822
FSC: 5310
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL
hole_diameter0.279 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
outside_diameter3.090 INCHES NOMINAL IN
special_features0. 187 IN. CAM SHAPE 0N 0D IN
style_designatorCIRCULAR
aperture_diameter2.000 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE
bolt_hole_quantity5
bolt_circle_diameter2.670 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE
NSN5310-00-197-8822
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1785275 · 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
•
MATERIAL: STEEL COMP 1010 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: P-232 FSCM 63477 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: CHROMATE OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
HARDNESS RATING: 35.0 ROCKWELL B NOMINAL
TECHNICAL CHARACTERISTICS
MATERIALSTEEL COMP 1010 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONP-232 FSCM 63477 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
HARDNESS RATING35.0 ROCKWELL B NOMINAL
OVERALL DIAMETER0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN
HOLE DIAMETER0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
27327InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4501412InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
18788InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
185482InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
677-6006-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
362224InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1785275?
1785275 is a WASHER,FLAT.
What parts can replace 1785275?
There are 18 known substitutes for 1785275: 27327, 4501412, 18788 and 15 more. Substitute compatibility should be verified for your specific system.
Is 1785275 still available?
1785275 is currently cancelled.
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