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1235873 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1235873: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1070 OVERALL, thickness: 0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN, hole_diameter: 1.772 INCHES MINIMUM AND 1.782 INCHES MAXIMUM IN, hardness_rating: 98.0 ROCKWELL C MINIMUM AND 102.0 ROCKWELL C MAXIMUM, overall_diameter: 3.260 INCHES NOMINAL IN, surface_treatment: PHOSPHATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-147-8746, 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
1235873
NSN: 5310-01-147-8746
FSC: 5310 — Nuts and Washers
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1070 OVERALL
thickness0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
hole_diameter1.772 INCHES MINIMUM AND 1.782 INCHES MAXIMUM IN
hardness_rating98.0 ROCKWELL C MINIMUM AND 102.0 ROCKWELL C MAXIMUM
overall_diameter3.260 INCHES NOMINAL IN
surface_treatmentPHOSPHATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
surface_treatment_document_and_classificationG-4277-M FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-147-8746
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1235873 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: G-4277-M FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 3.260 INCHES NOMINAL IN
•
HARDNESS RATING: 98.0 ROCKWELL C MINIMUM AND 102.0 ROCKWELL C MAXIMUM
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1070 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONG-4277-M FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER3.260 INCHES NOMINAL IN
HARDNESS RATING98.0 ROCKWELL C MINIMUM AND 102.0 ROCKWELL C MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPHOSPHATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1070 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.772 INCHES MINIMUM AND 1.782 INCHES MAXIMUM IN
THICKNESS0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
393578Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1235873?
1235873 is a WASHER,FLAT.
What parts can replace 1235873?
There is 1 known substitute for 1235873: 393578. Substitute compatibility should be verified for your specific system.
What is the NSN for 1235873?
1235873 is cataloged in the U.S. Government catalog under NSN 5310-01-147-8746. 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.