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48637 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

48637: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, inside_diameter: 2.768 INCHES NOMINAL IN, outside_diameter: 2.882 INCHES NOMINAL IN, special_features: FLANGE OUTSIDE DIAMETER 2.045; HOLE OUTSIDE 0.125 IN. DIA IN, overall_thickness: 2.965 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-141-4199, 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
48637
NSN: 5330-00-141-4199
NIINs: 001414199, 006634826, 009496395
FSC: 5330 — Packing and Gasket Materials
CAGE: 79150 — DANA AUTOMOTIVE SYSTEMS GROUP, LLC DBA DANA SEALING PRODUCTS (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
inside_diameter2.768 INCHES NOMINAL IN
outside_diameter2.882 INCHES NOMINAL IN
special_featuresFLANGE OUTSIDE DIAMETER 2.045; HOLE OUTSIDE 0.125 IN. DIA IN
overall_thickness2.965 INCHES NOMINAL IN
NSN5330-00-141-4199
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 48637 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: 0.406 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
MAXIMUM PRESSURE RATING: 7.0 POUNDS PER SQUARE INCH (PSI) LBS
•
HOUSING BORE DIAMETER: 1.752 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL: LEATHER SEALING ELEMENT A
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.406 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
MAXIMUM PRESSURE RATING7.0 POUNDS PER SQUARE INCH (PSI) LBS
HOUSING BORE DIAMETER1.752 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.750 INCHES NOMINAL IN
MATERIALLEATHER SEALING ELEMENT A
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
SUBSTITUTES & CROSS-REFERENCES 7
3238996Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
25401Reference document
Same NSN cross-reference
Reference document — Secondary reference
00044Reference document
Same NSN cross-reference
Reference document — Secondary reference
17524Reference document
Same NSN cross-reference
Reference document — Secondary reference
63X150Reference document
Same NSN cross-reference
Reference document — Secondary reference
500L34-321Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 48637?
48637 is a SEAL,PLAIN ENCASED.
What parts can replace 48637?
There are 7 known substitutes for 48637: 3238996, 25401, 00044 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 48637?
48637 is cataloged in the U.S. Government catalog under NSN 5330-00-141-4199. 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.