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E20401 — RIM,WHEEL,PNEUMATIC TIRE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

E20401: RIM,WHEEL,PNEUMATIC TIRE.

The RIM,WHEEL,PNEUMATIC TIRE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.075 INCHES NOMINAL IN, thread_class: 3B, overall_width: 12.0 INCHES NOMINAL IN, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-208-9751, 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
E20401
NSN: 5310-00-208-9751
NIINs: 002089751, 016014865
FSC: 5310 — Nuts and Washers
CAGE: D1379 — B/E AEROSPACE SYSTEMS GMBH DIV LIFE SUPPORT SYSTEMS EUROPE (DEU)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
nut_styleHEXAGON
nut_height0.075 INCHES NOMINAL IN
thread_class3B
overall_width12.0 INCHES NOMINAL IN
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentANODIZE OVERALL
width_across_flats0.312 INCHES NOMINAL IN
nominal_thread_size0.190 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch32
NSN5310-00-208-9751
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: E20401 · 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
•
WIDTH ACROSS FLATS: 0.312 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
NUT HEIGHT: 0.075 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
NUT STYLE: HEXAGON
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.312 INCHES NOMINAL IN
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
NUT HEIGHT0.075 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
NUT STYLEHEXAGON
THREAD CLASS3B
THREAD QUANTITY PER INCH32
MATERIALALUMINUM ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
793515-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is E20401?
E20401 is a RIM,WHEEL,PNEUMATIC TIRE.
What parts can replace E20401?
There is 1 known substitute for E20401: 793515-1. Substitute compatibility should be verified for your specific system.
What is the NSN for E20401?
E20401 is cataloged in the U.S. Government catalog under NSN 5310-00-208-9751. 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.