PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 832-7904
832-7904 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

HEATING ELEMENT,ELECTRICAL,IMMER. Key specifications include width: 1.124 INCHES NOMINAL IN, material: STEEL, ear_width: 0.321 INCHES NOMINAL IN, end_radius: 0.344 INCHES NOMINAL IN, center_radius: 1.032 INCHES NOMINAL IN, aperture_width: 0.647 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-832-7904, 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
832-7904
NSN: 5340-00-832-7904
FSC: 5340
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width1.124 INCHES NOMINAL IN
materialSTEEL
ear_width0.321 INCHES NOMINAL IN
end_radius0.344 INCHES NOMINAL IN
center_radius1.032 INCHES NOMINAL IN
aperture_width0.647 INCHES NOMINAL IN
aperture_length0.307 INCHES NOMINAL IN
plate_thickness0.049 INCHES NOMINAL IN
style_designatorFLOATING
mounting_hole_diameter0.449 INCHES NOMINAL IN
mounting_hole_quantity2
angle_between_ears_in_deg90.0
NSN5340-00-832-7904
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 832-7904 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CENTER RADIUS: 1.032 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.449 INCHES NOMINAL IN
•
EAR WIDTH: 0.321 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
PLATE THICKNESS: 0.049 INCHES NOMINAL IN
•
ANGLE FROM HORIZONTAL CENTERLINE TO EAR IN DEG: 150.0
•
APERTURE LENGTH: 0.307 INCHES NOMINAL IN
•
END RADIUS: 0.344 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER RADIUS1.032 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.449 INCHES NOMINAL IN
EAR WIDTH0.321 INCHES NOMINAL IN
MATERIALSTEEL
PLATE THICKNESS0.049 INCHES NOMINAL IN
ANGLE FROM HORIZONTAL CENTERLINE TO EAR IN DEG150.0
APERTURE LENGTH0.307 INCHES NOMINAL IN
END RADIUS0.344 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT
ANGLE BETWEEN EARS IN DEG90.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
653169Interchangeable
interchangeable cross-reference
interchangeable
73090Interchangeable
interchangeable cross-reference
interchangeable
43MT-330A-LInterchangeable
interchangeable cross-reference
interchangeable
832-7904Interchangeable
interchangeable cross-reference
interchangeable
TA43MT330ALInterchangeable
interchangeable cross-reference
interchangeable
1898G605Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 832-7904?
832-7904 is a HEATING ELEMENT,ELECTRICAL,IMMER.
What parts can replace 832-7904?
There are 8 known substitutes for 832-7904: 653169, 73090, 43MT-330A-L and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 832-7904?
832-7904 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-832-7904. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026