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NMP1109PC21 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NMP1109PC21: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, end_item_identification: 1"X1" DLO/B-1,DLO/B-2 SERIES BRONZE RELIEF VALVE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-479-1502, 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
NMP1109PC21
NSN: 5331-01-479-1502
FSC: 5331 — O-ring
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
hardness_rating70.0 SHORE DUROMETER A NOMINAL
end_item_identification1"X1" DLO/B-1,DLO/B-2 SERIES BRONZE RELIEF VALVE
NSN5331-01-479-1502
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NMP1109PC21 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
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
TECHNICAL CHARACTERISTICS
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
END ITEM IDENTIFICATION1"X1" DLO/B-1,DLO/B-2 SERIES BRONZE RELIEF VALVE
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 NMP1109PC21?
NMP1109PC21 is a O-RING.
What is the NSN for NMP1109PC21?
NMP1109PC21 is cataloged in the U.S. Government catalog under NSN 5331-01-479-1502. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.