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PartsTable / COMPONENT / 904206
904206 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_height: 3.562 INCHES NOMINAL IN, hole_diameter: 0.377 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, overall_width: 2.500 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, overall_height: 5.812 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-261-7340, 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
904206
NSN: 5310-00-261-7340
FSC: 5310
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_height3.562 INCHES NOMINAL IN
hole_diameter0.377 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
overall_width2.500 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height5.812 INCHES NOMINAL IN
overall_length2.625 INCHES NOMINAL IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating50.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
outside_diameter0.680 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
NSN5310-00-261-7340
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 904206 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.680 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.377 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.680 INCHES MAXIMUM IN
MATERIAL THICKNESS0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
HOLE DIAMETER0.377 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
120382Interchangeable
interchangeable cross-reference
interchangeable
25704-281340-09-0Interchangeable
interchangeable cross-reference
interchangeable
2N2979Interchangeable
interchangeable cross-reference
interchangeable
0.5M7.5AZ2Interchangeable
interchangeable cross-reference
interchangeable
HP09476Interchangeable
interchangeable cross-reference
interchangeable
C291-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 904206?
904206 is a TRANSFORMER,POWER.
What parts can replace 904206?
There are 30 known substitutes for 904206: 120382, 25704-281340-09-0, 2N2979 and 27 more. Substitute compatibility should be verified for your specific system.
Is 904206 still available?
904206 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026