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G-7940 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

G-7940: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, outside_diameter: 1.812 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.250 INCHES NOMINAL IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN, cross-sectional_shape_style: RECTANGULAR METAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-912-7219, 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
G-7940
NSN: 5330-00-912-7219
NIINs: 009127219, 010591697, 010677071
FSC: 5330 — Packing and Gasket Materials
CAGE: 98518 — WALWORTH-ALOYCO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
outside_diameter1.812 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.250 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR METAL
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
NSN5330-00-912-7219
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: G-7940 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: 0.062 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 1.812 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.250 INCHES NOMINAL IN
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER1.812 INCHES NOMINAL IN
APERTURE DIAMETER1.250 INCHES NOMINAL IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SUBSTITUTES & CROSS-REFERENCES 4
DS-51083-1PC11-0.25INReference document
Same NSN cross-reference
Reference document — Secondary reference
A35153PC11Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-35153PC11-FIG374-1/4INReference document
Same NSN cross-reference
Reference document — Secondary reference
A43602PC18 1-4INReference 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 G-7940?
G-7940 is a GASKET.
What parts can replace G-7940?
There are 4 known substitutes for G-7940: DS-51083-1PC11-0.25IN, A35153PC11, A-35153PC11-FIG374-1/4IN and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G-7940?
G-7940 is cataloged in the U.S. Government catalog under NSN 5330-00-912-7219. This indicates validated use in U.S. government and defense supply chains.
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