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Technical Data Sheet
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21059473 — 21059473

✓ Government record, cited
PUMP SYSTEMS NOLA, L.L.C. · ORING SEAL
PRODUCT OVERVIEW

21059473: 21059473.

The 21059473 is a PUMP SYSTEMS NOLA, L.L.C. industrial component. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-456-1091, 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
21059473
NSN: 5330-01-456-1091
FSC: 5330 — Packing and Gasket Materials
CAGE: 0HUR4 — PUMP SYSTEMS NOLA, L.L.C. (USA)
SPECIFICATIONS
Part Number21059473
ManufacturerPUMP SYSTEMS NOLA, L.L.C.
NSN5330-01-456-1091
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21059473 MFR: PUMP SYSTEMS NOLA, L.L.C. ⚠ 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
SUBSTITUTES & CROSS-REFERENCES 1
2501-91Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21059473?
21059473 is a 21059473 manufactured by PUMP SYSTEMS NOLA, L.L.C..
What parts can replace 21059473?
There is 1 known substitute for 21059473: 2501-91. Substitute compatibility should be verified for your specific system.
What is the NSN for 21059473?
21059473 is cataloged in the U.S. Government catalog under NSN 5330-01-456-1091. This indicates validated use in U.S. government and defense supply chains.
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