PartsTable
Technical Data Sheet
0904209-4 ✓ 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 WASHER,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.636 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM, outside_diameter: 1.079 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: CADMIUM AND CHROMATE OVERALL, material_thickness: 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-820-6653, 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
0904209-4
NSN: 5310-00-820-6653
FSC: 5310
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)
SPECIFICATIONS
hole_diameter0.636 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
outside_diameter1.079 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
departure_from_cited_designatorAS MODIFIED BY SURFACE TREATMENT
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-820-6653
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0904209-4 · 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
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
HOLE DIAMETER: 0.636 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY SURFACE TREATMENT
OUTSIDE DIAMETER: 1.079 INCHES MAXIMUM IN
MATERIAL THICKNESS: 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
END ITEM IDENTIFICATIONW/S: BOILERS, 1200 PSI; SUPPORT EQUIPMENT, B-1 AIRCRAFT; ELEVATORS, AIRCRAFT; VEHICLE, AIRCRAFT REFUELER R-14; STREAM (STD. TENSIONED REPLENISHMENT AT SEA METHOD); AIRBORNE MOBILE DIR AIR CTL (2ID), (02MJUL83)(AN/UYQ-3A); MTVR FAMILY (INCLUDES TAMCNS D0198, D1062, D1073, & D1213); FIRE PUMPS; L.P. COMPRESSORS; COMMUNICATIONS TERMINAL, SATELLITE AN/GSC-39(V)1; 2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); MRAP - COUGAR TOW; ARMORED MULTI-PURPOSE VEHICLE (AMPV); MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; LOGISTICS SUPPORT VESSEL A
HOLE DIAMETER0.636 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SURFACE TREATMENT
OUTSIDE DIAMETER1.079 INCHES MAXIMUM IN
MATERIAL THICKNESS0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
5310000045034Interchangeable
interchangeable cross-reference
interchangeable
FFW84Interchangeable
interchangeable cross-reference
interchangeable
004-003005-059Interchangeable
interchangeable cross-reference
interchangeable
5310PL0944302Interchangeable
interchangeable cross-reference
interchangeable
TA1047BInterchangeable
interchangeable cross-reference
interchangeable
103334Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0904209-4?
0904209-4 is a WASHER,LOCK.
What parts can replace 0904209-4?
There are 31 known substitutes for 0904209-4: 5310000045034, FFW84, 004-003005-059 and 28 more. Substitute compatibility should be verified for your specific system.
Is 0904209-4 still available?
0904209-4 is currently cancelled.
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