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718773 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

718773: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.310 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, housing_bore_diameter: 3.125 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 2.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-737-2612, 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
718773
NSN: 5330-00-737-2612
FSC: 5330 — Packing and Gasket Materials
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.310 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
housing_bore_diameter3.125 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.312 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2600 FEET PER MINUTE FT
NSN5330-00-737-2612
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 718773 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
•
SEAL WIDTH: 0.310 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 3.125 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2600 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 2.312 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.310 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER3.125 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2600 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER2.312 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 7
34718Reference document
Same NSN cross-reference
Reference document — Secondary reference
9415CReference document
Same NSN cross-reference
Reference document — Secondary reference
207483Reference document
Same NSN cross-reference
Reference document — Secondary reference
31176Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
174822Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2274887Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 718773?
718773 is a SEAL,PLAIN ENCASED.
What parts can replace 718773?
There are 7 known substitutes for 718773: 34718, 9415C, 207483 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 718773?
718773 is cataloged in the U.S. Government catalog under NSN 5330-00-737-2612. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.