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7-863738 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7-863738: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.375 INCHES NOMINAL IN, housing_bore_diameter: 2.625 INCHES NOMINAL IN, sealing_element_style: ANGULAR, maximum_pressure_rating: 7.0 POUNDS PER SQUARE INCH (PSI) LBS. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-834-0405, 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
7-863738
NSN: 5330-00-834-0405
FSC: 5330 — Packing and Gasket Materials
CAGE: 66654 — TVH PARTS CO. (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
housing_bore_diameter2.625 INCHES NOMINAL IN
sealing_element_styleANGULAR
maximum_pressure_rating7.0 POUNDS PER SQUARE INCH (PSI) LBS
accommodated_shaft_diameter1.875 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3000 FEET PER MINUTE FT
NSN5330-00-834-0405
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7-863738 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: 0.375 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
MAXIMUM PRESSURE RATING: 7.0 POUNDS PER SQUARE INCH (PSI) LBS
•
HOUSING BORE DIAMETER: 2.625 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.875 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.375 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
MAXIMUM PRESSURE RATING7.0 POUNDS PER SQUARE INCH (PSI) LBS
HOUSING BORE DIAMETER2.625 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.875 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 8
863738Reference document
Same NSN cross-reference
Reference document — Secondary reference
4255312-3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
63-1042Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
00044Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
75198A17Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
K87-0094Reference 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 7-863738?
7-863738 is a SEAL,PLAIN ENCASED.
What parts can replace 7-863738?
There are 8 known substitutes for 7-863738: 863738, 4255312-3, 63-1042 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-863738?
7-863738 is cataloged in the U.S. Government catalog under NSN 5330-00-834-0405. This indicates validated use in U.S. government and defense supply chains.
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