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919C781 — SEAL RING,METAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

919C781: SEAL RING,METAL.

The SEAL RING,METAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, overall_width: 0.5000 INCHES NOMINAL IN, material_document_and_classification: MIL-C-15345 ALLOY NO. 7 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-798-5556, 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
919C781
NSN: 5330-00-798-5556
FSC: 5330 — Packing and Gasket Materials
CAGE: 90099 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
overall_width0.5000 INCHES NOMINAL IN
material_document_and_classificationMIL-C-15345 ALLOY NO. 7 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-798-5556
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 919C781 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-15345 ALLOY NO. 7 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.5000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-15345 ALLOY NO. 7 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
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 3
906J480PC22Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
906J480Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
919C781-1Reference 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 919C781?
919C781 is a SEAL RING,METAL.
What parts can replace 919C781?
There are 3 known substitutes for 919C781: 906J480PC22, 906J480, 919C781-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 919C781?
919C781 is cataloged in the U.S. Government catalog under NSN 5330-00-798-5556. This indicates validated use in U.S. government and defense supply chains.
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