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4M36-12001 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4M36-12001: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 304 OVERALL, thickness: 0.032 INCHES NOMINAL IN, hole_diameter: 1.287 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN, overall_diameter: 1.724 INCHES MINIMUM AND 1.744 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-129-2212, 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
4M36-12001
NSN: 5310-01-129-2212
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 304 OVERALL
thickness0.032 INCHES NOMINAL IN
hole_diameter1.287 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN
overall_diameter1.724 INCHES MINIMUM AND 1.744 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-S-5059 COMP 302 COND ANNEALED MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 COMP 302 COND A FED SPEC 2ND MATERIAL RESPONSE OR MIL-T-8506 TYPE 1 ANNEALED MIL SPEC 3RD MATERIAL RESPONSE OVERALL
NSN5310-01-129-2212
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4M36-12001 · 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: 1.724 INCHES MINIMUM AND 1.744 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 COMP 302 COND ANNEALED MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 COMP 302 COND A FED SPEC 2ND MATERIAL RESPONSE OR MIL-T-8506 TYPE 1 ANNEALED MIL SPEC 3RD MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 302 OR STEEL COMP 304 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 1.287 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.724 INCHES MINIMUM AND 1.744 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 COMP 302 COND ANNEALED MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 COMP 302 COND A FED SPEC 2ND MATERIAL RESPONSE OR MIL-T-8506 TYPE 1 ANNEALED MIL SPEC 3RD MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.287 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN
THICKNESS0.032 INCHES NOMINAL 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
10109525Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 4M36-12001?
4M36-12001 is a WASHER,FLAT.
What parts can replace 4M36-12001?
There is 1 known substitute for 4M36-12001: 10109525. Substitute compatibility should be verified for your specific system.
What is the NSN for 4M36-12001?
4M36-12001 is cataloged in the U.S. Government catalog under NSN 5310-01-129-2212. 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.