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A37279 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A37279: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include case_style: SQUARE, seal_width: 0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN, housing_bore_diameter: 1.626 INCHES MINIMUM AND 1.628 INCHES MAXIMUM IN, accommodated_shaft_diameter: 1.020 INCHES MINIMUM AND 1.025 INCHES MAXIMUM IN, accommodated_shaft_maximum_rated_speed: 36000 FEET PER MINUTE FT. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-955-9730, 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
A37279
NSN: 5330-00-955-9730
FSC: 5330 — Packing and Gasket Materials
CAGE: 77842 — EATON CORPORATION DBA EATON INOAC DIV EATON (USA)
SPECIFICATIONS
case_styleSQUARE
seal_width0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
housing_bore_diameter1.626 INCHES MINIMUM AND 1.628 INCHES MAXIMUM IN
accommodated_shaft_diameter1.020 INCHES MINIMUM AND 1.025 INCHES MAXIMUM IN
accommodated_shaft_maximum_rated_speed36000 FEET PER MINUTE FT
NSN5330-00-955-9730
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A37279 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: 0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 1.626 INCHES MINIMUM AND 1.628 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 36000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.020 INCHES MINIMUM AND 1.025 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
HOUSING BORE DIAMETER1.626 INCHES MINIMUM AND 1.628 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED36000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.020 INCHES MINIMUM AND 1.025 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
75968Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A37279?
A37279 is a SEAL,PLAIN ENCASED.
What parts can replace A37279?
There is 1 known substitute for A37279: 75968. Substitute compatibility should be verified for your specific system.
What is the NSN for A37279?
A37279 is cataloged in the U.S. Government catalog under NSN 5330-00-955-9730. 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.