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MC17943 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MC17943: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include end_item_identification: USED ON VALVE,LINEAR,DIRECT. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-299-5928, 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
MC17943
NSN: 5330-01-299-5928
FSC: 5330 — Packing and Gasket Materials
CAGE: 76050 — EATON AEROSPACE LLC DBA STERER ENGINEERING DIV M.C.AEROSPACE (USA)
SPECIFICATIONS
end_item_identificationUSED ON VALVE,LINEAR,DIRECT
NSN5330-01-299-5928
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MC17943 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONUSED ON VALVE,LINEAR,DIRECT
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
10116906Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MC17943?
MC17943 is a RETAINER,PACKING.
What parts can replace MC17943?
There is 1 known substitute for MC17943: 10116906. Substitute compatibility should be verified for your specific system.
What is the NSN for MC17943?
MC17943 is cataloged in the U.S. Government catalog under NSN 5330-01-299-5928. This indicates validated use in U.S. government and defense supply chains.
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