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2-442E688-70 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-442E688-70: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, outside_diameter: 7.718 INCHES MINIMUM AND 7.832 INCHES MAXIMUM IN, center_hole_diameter: 7.180 INCHES MINIMUM AND 7.270 INCHES MAXIMUM IN, cross-sectional_height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-183-0987, 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
2-442E688-70
NSN: 5331-01-183-0987
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER SYNTHETIC
outside_diameter7.718 INCHES MINIMUM AND 7.832 INCHES MAXIMUM IN
center_hole_diameter7.180 INCHES MINIMUM AND 7.270 INCHES MAXIMUM IN
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
NSN5331-01-183-0987
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-442E688-70 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: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 7.718 INCHES MINIMUM AND 7.832 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 7.180 INCHES MINIMUM AND 7.270 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
OUTSIDE DIAMETER7.718 INCHES MINIMUM AND 7.832 INCHES MAXIMUM IN
CENTER HOLE DIAMETER7.180 INCHES MINIMUM AND 7.270 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 8
M83461/1-442Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
442-7757Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AMS-P-83461/1Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS83461/1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2-442N304-75Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MIL-P-83461/1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-442E688-70?
2-442E688-70 is a O-RING.
What parts can replace 2-442E688-70?
There are 8 known substitutes for 2-442E688-70: M83461/1-442, 442-7757, AMS-P-83461/1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-442E688-70?
2-442E688-70 is cataloged in the U.S. Government catalog under NSN 5331-01-183-0987. This indicates validated use in U.S. government and defense supply chains.
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