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338502 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

338502: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include nondefinitive_spec/std_data: 5 CLASS, criticality_code_justification: ZZZT. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-050-2233, 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
338502
NSN: 5310-00-050-2233
NIINs: 000502233, 017268014
FSC: 5310 — Nuts and Washers
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
nondefinitive_spec/std_data5 CLASS
criticality_code_justificationZZZT
NSN5310-00-050-2233
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 338502 · 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: 1.188 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
•
THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.188 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
NONDEFINITIVE SPEC/STD DATAA TYPE
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
THICKNESS0.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
MILW1085TYPEAReference document
Same NSN cross-reference
Reference document — Identification reference
6767542Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3-8Reference 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 338502?
338502 is a WASHER,FLAT.
What parts can replace 338502?
There are 3 known substitutes for 338502: MILW1085TYPEA, 6767542, 3-8. Substitute compatibility should be verified for your specific system.
What is the NSN for 338502?
338502 is cataloged in the U.S. Government catalog under NSN 5310-00-050-2233. 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.