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DSR4376-1906 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

DSR4376-1906: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, hardness_rating: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN, cross-sectional_height: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-387-2248, 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
DSR4376-1906
NSN: 5331-01-387-2248
FSC: 5331 — O-ring
CAGE: K1037 — MEGGITT AEROSPACE LIMITED (GBR)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
hardness_rating75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
cross-sectional_height0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
NSN5331-01-387-2248
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DSR4376-1906 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
•
CROSS-SECTIONAL HEIGHT: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM
•
CENTER HOLE DIAMETER: 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM
CENTER HOLE DIAMETER0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
SUBSTITUTES & CROSS-REFERENCES 8
100-906-2397Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3-906E515-80Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5331PL1844563Reference document
Same NSN cross-reference
Reference document — Informative reference only
NAS1602-906Reference document
Same NSN cross-reference
Reference document — Secondary reference
5331PL0899178Reference document
Same NSN cross-reference
Reference document — Informative reference only
5331PL2077737Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DSR4376-1906?
DSR4376-1906 is a O-RING.
What parts can replace DSR4376-1906?
There are 8 known substitutes for DSR4376-1906: 100-906-2397, 3-906E515-80, 5331PL1844563 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DSR4376-1906?
DSR4376-1906 is cataloged in the U.S. Government catalog under NSN 5331-01-387-2248. This indicates validated use in U.S. government and defense supply chains.
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