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336-100-437 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

336-100-437: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOL FORMALDEHYDE (PMO) OVERALL, thickness: 0.7 MILLIMETERS MINIMUM AND 1.3 MILLIMETERS MAXIMUM MM, overall_diameter: 12.0 MILLIMETERS NOMINAL MM, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND, cross-sectional_shape_style: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-331-7228, 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
336-100-437
NSN: 5310-01-331-7228
FSC: 5310 — Nuts and Washers
CAGE: 47432 — INTERSPIRO INC (USA)
SPECIFICATIONS
materialPLASTIC PHENOL FORMALDEHYDE (PMO) OVERALL
thickness0.7 MILLIMETERS MINIMUM AND 1.3 MILLIMETERS MAXIMUM MM
overall_diameter12.0 MILLIMETERS NOMINAL MM
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-331-7228
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 336-100-437 · 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: 12.0 MILLIMETERS NOMINAL MM
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: PLASTIC PHENOL FORMALDEHYDE (PMO) OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.7 MILLIMETERS MINIMUM AND 1.3 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER12.0 MILLIMETERS NOMINAL MM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALPLASTIC PHENOL FORMALDEHYDE (PMO) OVERALL
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.7 MILLIMETERS MINIMUM AND 1.3 MILLIMETERS MAXIMUM MM
SUBSTITUTES & CROSS-REFERENCES 1
6318026Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 336-100-437?
336-100-437 is a WASHER,FLAT.
What parts can replace 336-100-437?
There is 1 known substitute for 336-100-437: 6318026. Substitute compatibility should be verified for your specific system.
What is the NSN for 336-100-437?
336-100-437 is cataloged in the U.S. Government catalog under NSN 5310-01-331-7228. 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.