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3031L — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3031L: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, housing_bore_diameter: 1.982 INCHES MINIMUM AND 1.984 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.188 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-291-7946, 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
3031L
NSN: 5330-00-291-7946
FSC: 5330 — Packing and Gasket Materials
CAGE: 72600 — DURA CORP (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
housing_bore_diameter1.982 INCHES MINIMUM AND 1.984 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.188 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed1600 FEET PER MINUTE FT
NSN5330-00-291-7946
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3031L 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: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 1.982 INCHES MINIMUM AND 1.984 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1600 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.188 INCHES NOMINAL IN
•
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER1.982 INCHES MINIMUM AND 1.984 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1600 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.188 INCHES NOMINAL IN
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
MATERIALSTEEL CASE
SUBSTITUTES & CROSS-REFERENCES 6
43-838Reference document
Same NSN cross-reference
Reference document — Secondary reference
500029Reference document
Same NSN cross-reference
Reference document — Secondary reference
RIXS152Reference document
Same NSN cross-reference
Reference document — Secondary reference
5203Reference document
Same NSN cross-reference
Reference document — Secondary reference
84412Reference document
Same NSN cross-reference
Reference document — Secondary reference
525HReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3031L?
3031L is a SEAL,PLAIN ENCASED.
What parts can replace 3031L?
There are 6 known substitutes for 3031L: 43-838, 500029, RIXS152 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3031L?
3031L is cataloged in the U.S. Government catalog under NSN 5330-00-291-7946. 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.