PartsTable
Technical Data Sheet
G7-76 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, special_features: 4.295 IN. O/A LG,2.250 IN.

O/A DIA,0.674 IN. SHAFT LG,OPERATING TEMPERATURE RANGE M55 DEP TO 85 DEG C IN, cross-sectional_height: 5.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-139-7461, 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
G7-76
NSN: 5331-00-139-7461
FSC: 5331 — O-RING
CAGE: 59505 — NEWPORT SCIENTIFIC, INC. (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
special_features4.295 IN. O/A LG,2.250 IN. O/A DIA,0.674 IN. SHAFT LG,OPERATING TEMPERATURE RANGE M55 DEP TO 85 DEG C IN
cross-sectional_height5.0 MILLIMETERS NOMINAL MM
NSN5331-00-139-7461
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: G7-76 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 HEIGHT: 5.0 MILLIMETERS NOMINAL MM
MATERIAL: RUBBER CHLOROPRENE CLASS CR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT5.0 MILLIMETERS NOMINAL MM
MATERIALRUBBER CHLOROPRENE CLASS CR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
10-1687 PIECE 13Interchangeable
interchangeable cross-reference
interchangeable
4548920-001Interchangeable
interchangeable cross-reference
interchangeable
VTSN23-64N2Interchangeable
interchangeable cross-reference
interchangeable
WZ2-4354Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G7-76?
G7-76 is a O-RING.
What parts can replace G7-76?
There are 4 known substitutes for G7-76: 10-1687 PIECE 13, 4548920-001, VTSN23-64N2 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G7-76?
G7-76 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-139-7461. This indicates validated use in U.S. government and defense supply chains.
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