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Technical Data Sheet
PartsTable / COMPONENT / D-2104
D-2104 ✓ 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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, case_style: SQUARE, seal_width: 0.625 INCHES NOMINAL IN, bore_diameter: 20.0 MILLIMETERS NOMINAL MM, overall_width: 14.0 MILLIMETERS NOMINAL MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-154-8207, 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
D-2104
NSN: 5330-00-154-8207
FSC: 5330
CAGE: 59690 — KOEHRING CO LORAIN DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
case_styleSQUARE
seal_width0.625 INCHES NOMINAL IN
bore_diameter20.0 MILLIMETERS NOMINAL MM
overall_width14.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
housing_bore_diameter4.250 INCHES NOMINAL IN
sealing_element_styleANGULAR
end_item_identificationSTEAM TURBINE,SHIPS PROPULSION SYSTEM
NSN5330-00-154-8207
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D-2104 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
•
ACCOMMODATED SHAFT DIAMETER: 3.250 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
SEAL WIDTH: 0.625 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 4.250 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER3.250 INCHES NOMINAL IN
MATERIALSTEEL CASE
SEAL WIDTH0.625 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER4.250 INCHES NOMINAL IN
CASE STYLESQUARE
MATERIALLEATHER SEALING ELEMENT
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
T8601330P95Interchangeable
interchangeable cross-reference
interchangeable
A181-28Interchangeable
interchangeable cross-reference
interchangeable
C31-10084-6Interchangeable
interchangeable cross-reference
interchangeable
5480993P10Interchangeable
interchangeable cross-reference
interchangeable
42538Interchangeable
interchangeable cross-reference
interchangeable
916713Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D-2104?
D-2104 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace D-2104?
There are 23 known substitutes for D-2104: T8601330P95, A181-28, C31-10084-6 and 20 more. Substitute compatibility should be verified for your specific system.
Is D-2104 still available?
D-2104 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