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1205G683 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1205G683: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT B, case_style: SQUARE, seal_width: 0.672 INCHES MINIMUM AND 0.707 INCHES MAXIMUM IN, housing_bore_diameter: 3.059 INCHES MINIMUM AND 3.061 INCHES MAXIMUM IN, sealing_element_style: ANGULAR-EXTERNAL, accommodated_shaft_diameter: 2.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-995-1282, 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
1205G683
NSN: 5330-00-995-1282
FSC: 5330 — Packing and Gasket Materials
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT B
case_styleSQUARE
seal_width0.672 INCHES MINIMUM AND 0.707 INCHES MAXIMUM IN
housing_bore_diameter3.059 INCHES MINIMUM AND 3.061 INCHES MAXIMUM IN
sealing_element_styleANGULAR-EXTERNAL
accommodated_shaft_diameter2.125 INCHES NOMINAL IN
NSN5330-00-995-1282
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1205G683 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: 0.672 INCHES MINIMUM AND 0.707 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR-EXTERNAL
•
HOUSING BORE DIAMETER: 3.059 INCHES MINIMUM AND 3.061 INCHES MAXIMUM IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 2.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT A
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.672 INCHES MINIMUM AND 0.707 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR-EXTERNAL
HOUSING BORE DIAMETER3.059 INCHES MINIMUM AND 3.061 INCHES MAXIMUM IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER2.125 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT A
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
SUBSTITUTES & CROSS-REFERENCES 5
470308RRRReference document
Same NSN cross-reference
Reference document — Secondary reference
174843Reference document
Same NSN cross-reference
Reference document — Secondary reference
540270Reference document
Same NSN cross-reference
Reference document — Secondary reference
470308RARSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A1205G683Same 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 1205G683?
1205G683 is a SEAL,PLAIN ENCASED.
What parts can replace 1205G683?
There are 5 known substitutes for 1205G683: 470308RRR, 174843, 540270 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1205G683?
1205G683 is cataloged in the U.S. Government catalog under NSN 5330-00-995-1282. 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.