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M1904DH — M1904DH

✓ Government record, cited
TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC · ORING SEAL
PRODUCT OVERVIEW

M1904DH: M1904DH.

The M1904DH is a TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-452-9497, 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
M1904DH
NSN: 5330-01-452-9497
FSC: 5330 — Packing and Gasket Materials
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
Part NumberM1904DH
ManufacturerTWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC
NSN5330-01-452-9497
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M1904DH MFR: TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC ⚠ 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
•
OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
RADIAL WALL THICKNESS: 0.0800 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
RADIAL WALL THICKNESS0.0800 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
26179Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7010126Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
26226Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M1904DH?
M1904DH is a M1904DH manufactured by TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC.
What parts can replace M1904DH?
There are 3 known substitutes for M1904DH: 26179, 7010126, 26226. Substitute compatibility should be verified for your specific system.
What is the NSN for M1904DH?
M1904DH is cataloged in the U.S. Government catalog under NSN 5330-01-452-9497. This indicates validated use in U.S. government and defense supply chains.
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