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A1205G631 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A1205G631: 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: 0.882 INCHES MINIMUM AND 0.914 INCHES MAXIMUM IN, outside_diameter: 4.848 INCHES NOMINAL IN, housing_bore_diameter: 4.841 INCHES MINIMUM AND 4.843 INCHES MAXIMUM IN, sealing_element_style: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-353-2292, 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
A1205G631
NSN: 5330-00-353-2292
FSC: 5330 — Packing and Gasket Materials
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.882 INCHES MINIMUM AND 0.914 INCHES MAXIMUM IN
outside_diameter4.848 INCHES NOMINAL IN
housing_bore_diameter4.841 INCHES MINIMUM AND 4.843 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter3.500 INCHES NOMINAL IN
NSN5330-00-353-2292
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A1205G631 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: 0.882 INCHES MINIMUM AND 0.914 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
OUTSIDE DIAMETER: 4.848 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 4.841 INCHES MINIMUM AND 4.843 INCHES MAXIMUM IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 3.500 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.882 INCHES MINIMUM AND 0.914 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
OUTSIDE DIAMETER4.848 INCHES NOMINAL IN
HOUSING BORE DIAMETER4.841 INCHES MINIMUM AND 4.843 INCHES MAXIMUM IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER3.500 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 5
35062Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
A1205E2475Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7803-1241Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2284159Reference document
Same NSN cross-reference
Reference document — Secondary reference
383-0136Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 A1205G631?
A1205G631 is a SEAL,PLAIN ENCASED.
What parts can replace A1205G631?
There are 5 known substitutes for A1205G631: 35062, A1205E2475, 7803-1241 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1205G631?
A1205G631 is cataloged in the U.S. Government catalog under NSN 5330-00-353-2292. 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.