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Technical Data Sheet
D-547948 ITEM 30 ✓ 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

The O-RING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-319-4819, 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-547948 ITEM 30
NSN: 5331-01-319-4819
FSC: 5331 — O-RING
CAGE: 91940 — ORTMAN FLUID POWER QUINCY COMPRESSOR DIV SUB OF COLTEC INDUSTRIES INC (USA)
SPECIFICATIONS
Part NumberD-547948 ITEM 30
NSN5331-01-319-4819
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D-547948 ITEM 30 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
0126256-7Interchangeable
interchangeable cross-reference
interchangeable
26256Interchangeable
interchangeable cross-reference
interchangeable
0126256Interchangeable
interchangeable cross-reference
interchangeable
26214Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D-547948 ITEM 30?
D-547948 ITEM 30 is a O-RING.
What parts can replace D-547948 ITEM 30?
There are 4 known substitutes for D-547948 ITEM 30: 0126256-7, 26256, 0126256 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D-547948 ITEM 30?
D-547948 ITEM 30 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-319-4819. This indicates validated use in U.S. government and defense supply chains.
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