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6854931 — ELECTRONIC COMPONENTS ASSEMBLY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6854931: ELECTRONIC COMPONENTS ASSEMBLY.

The ELECTRONIC COMPONENTS ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: DOUBLE HEXAGON, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.455 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-685-6779, 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
6854931
NSN: 5310-00-685-6779
NIINs: 006856779, 014112913
FSC: 5310 — Nuts and Washers
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleDOUBLE HEXAGON
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
overall_height0.455 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
washer_thickness0.099 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
width_across_flats0.493 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
nominal_thread_size0.375 INCHES IN
NSN5310-00-685-6779
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6854931 · 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
•
WASHER OUTSIDE DIAMETER: 0.687 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.493 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF
•
WASHER THICKNESS: 0.099 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.455 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER0.687 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.493 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING450.0 FAHRENHEIT NOMINAL DEGF
WASHER THICKNESS0.099 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
SUBSTITUTES & CROSS-REFERENCES 7
ZEB1845-064Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
106C072Reference document
Same NSN cross-reference
Reference document — Secondary reference
EB064Reference document
Same NSN cross-reference
Reference document — Secondary reference
FAC1421-624Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A63-173Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
42FW-624Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6854931?
6854931 is a ELECTRONIC COMPONENTS ASSEMBLY.
What parts can replace 6854931?
There are 7 known substitutes for 6854931: ZEB1845-064, 106C072, EB064 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6854931?
6854931 is cataloged in the U.S. Government catalog under NSN 5310-00-685-6779. 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.