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Technical Data Sheet
PartsTable / COMPONENT / NT7779PC1
NT7779PC1 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY AND STEEL OVERALL, overall_width: 5.875 INCHES NOMINAL IN, overall_length: 35.688 INCHES NOMINAL IN, surface_treatment: LEAD ALLOY OVERALL, cross-sectional_thickness: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-146-9461, 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
NT7779PC1
NSN: 5330-00-146-9461
FSC: 5330
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND STEEL OVERALL
overall_width5.875 INCHES NOMINAL IN
overall_length35.688 INCHES NOMINAL IN
surface_treatmentLEAD ALLOY OVERALL
cross-sectional_thickness0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
NSN5330-00-146-9461
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NT7779PC1 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
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY AND STEEL OVERALL
•
SURFACE TREATMENT: LEAD ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH5.875 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
OVERALL LENGTH35.688 INCHES NOMINAL IN
MATERIALCOPPER ALLOY AND STEEL OVERALL
SURFACE TREATMENTLEAD ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
A1746Interchangeable
interchangeable cross-reference
interchangeable
1746Interchangeable
interchangeable cross-reference
interchangeable
S1NGLE543-0LInterchangeable
interchangeable cross-reference
interchangeable
ASA60H0LInterchangeable
interchangeable cross-reference
interchangeable
A-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-L-4709Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NT7779PC1?
NT7779PC1 is a GASKET.
What parts can replace NT7779PC1?
There are 21 known substitutes for NT7779PC1: A1746, 1746, S1NGLE543-0L and 18 more. Substitute compatibility should be verified for your specific system.
Is NT7779PC1 still available?
NT7779PC1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026