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1793-391 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1793-391: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF, hardness_rating: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM, outside_diameter: 22.375 INCHES NOMINAL IN, center_hole_diameter: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN, elongation_percentage: 200 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-128-5182, 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
1793-391
NSN: 5331-01-128-5182
FSC: 5331 — O-ring
CAGE: 91265 — PARKER-HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
hardness_rating60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
outside_diameter22.375 INCHES NOMINAL IN
center_hole_diameter0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
elongation_percentage200 MAXIMUM
cross-sectional_height21.910 INCHES MINIMUM AND 22.000 INCHES MAXIMUM IN
NSN5331-01-128-5182
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1793-391 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 21.910 INCHES MINIMUM AND 22.000 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 22.375 INCHES NOMINAL IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
•
ELONGATION PERCENTAGE: 200 MAXIMUM
•
CENTER HOLE DIAMETER: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT21.910 INCHES MINIMUM AND 22.000 INCHES MAXIMUM IN
OUTSIDE DIAMETER22.375 INCHES NOMINAL IN
HARDNESS RATING60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
ELONGATION PERCENTAGE200 MAXIMUM
CENTER HOLE DIAMETER0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 6
25141-243-4058/ 90Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MS29513-391Reference document
Same NSN cross-reference
Reference document — Secondary reference
SR-822A-60-391Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
457-60-391Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SAE-AS29513Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
10163413Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1793-391?
1793-391 is a O-RING.
What parts can replace 1793-391?
There are 6 known substitutes for 1793-391: 25141-243-4058/ 90, MS29513-391, SR-822A-60-391 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1793-391?
1793-391 is cataloged in the U.S. Government catalog under NSN 5331-01-128-5182. This indicates validated use in U.S. government and defense supply chains.
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