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904209 — SEAL,OIL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

904209: SEAL,OIL.

The SEAL,OIL 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 U.S.

Government catalog 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
904209
NSN: 5310-00-820-6653
NIINs: 008206653, 011333317, 012228849
FSC: 5310 — Nuts and Washers
CAGE: 92392 — ALLIS-CHALMERS CORP (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: 904209 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 1.079 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY SURFACE TREATMENT
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER1.079 INCHES MAXIMUM IN
MATERIAL THICKNESS0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SURFACE TREATMENT
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
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
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
HOLE DIAMETER0.636 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 6
103325Reference document
Same NSN cross-reference
Reference document — Secondary reference
23E10Reference document
Same NSN cross-reference
Reference document — Secondary reference
YM121574Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
XX002-6897Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS35338-50Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0904209-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 904209?
904209 is a SEAL,OIL.
What parts can replace 904209?
There are 6 known substitutes for 904209: 103325, 23E10, YM121574 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 904209?
904209 is cataloged in the U.S. Government catalog under NSN 5310-00-820-6653. This indicates validated use in U.S. government and defense supply chains.
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