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6393054-1 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6393054-1: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL OVERALL, hole_diameter: 0.279 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN, shoulder_height: 0.138 INCHES NOMINAL IN, outside_diameter: 0.562 INCHES NOMINAL IN, style_designator: SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-508-1271, 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
6393054-1
NSN: 5310-01-508-1271
FSC: 5310 — Nuts and Washers
CAGE: 31442 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialPLASTIC ACETAL OVERALL
hole_diameter0.279 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
shoulder_height0.138 INCHES NOMINAL IN
outside_diameter0.562 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter0.286 INCHES NOMINAL IN
end_item_identificationASDS
material_document_and_classificationASTM D4181, POM 211 ASSN STD 1ST MATERIAL RESPONSE OVERALL
NSN5310-01-508-1271
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6393054-1 · 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
•
SHOULDER HEIGHT: 0.138 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D4181, POM 211 ASSN STD 1ST MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.562 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.286 INCHES NOMINAL IN
•
MATERIAL: PLASTIC ACETAL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.250 INCHES NOMINAL IN
SHOULDER HEIGHT0.138 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D4181, POM 211 ASSN STD 1ST MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.562 INCHES NOMINAL IN
SHOULDER DIAMETER0.286 INCHES NOMINAL IN
END ITEM IDENTIFICATIONASDS
MATERIALPLASTIC ACETAL OVERALL
HOLE DIAMETER0.279 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
321-6393054Reference document
Same NSN cross-reference
Reference document — Drawing number 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 6393054-1?
6393054-1 is a WASHER,SHOULDERED.
What parts can replace 6393054-1?
There is 1 known substitute for 6393054-1: 321-6393054. Substitute compatibility should be verified for your specific system.
What is the NSN for 6393054-1?
6393054-1 is cataloged in the U.S. Government catalog under NSN 5310-01-508-1271. 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.