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B4031-LS — O-RING SET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B4031-LS: O-RING SET.

The O-RING SET is a the manufacturer industrial component. Key specifications include end_item_name: VALVE,ANGLE RELIEF, special_features: MIL SPEC P/N FORMAT M83248/2-XXX (LAST 3 DIGITS OF AS568A DASH NUMBER), nonsupply_items_and_quantities: M83248/2 (FLUOROCARBON,90 DUROMETER) AS568A DASH NUMBER O-RINGS; 2-350 1,2-262 1,2-228 1,3-908 1,2-013 1,3-920 1,2-112 1. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-580-7690, 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
B4031-LS
NSN: 5331-01-580-7690
FSC: 5331 — O-ring
CAGE: 5P967 — DANTE VALVE COMPANY (USA)
SPECIFICATIONS
end_item_nameVALVE,ANGLE RELIEF
special_featuresMIL SPEC P/N FORMAT M83248/2-XXX (LAST 3 DIGITS OF AS568A DASH NUMBER)
component_quantity7
nonsupply_items_and_quantitiesM83248/2 (FLUOROCARBON,90 DUROMETER) AS568A DASH NUMBER O-RINGS; 2-350 1,2-262 1,2-228 1,3-908 1,2-013 1,3-920 1,2-112 1
NSN5331-01-580-7690
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B4031-LS 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
•
COMPONENT QUANTITY: 7
•
END ITEM NAME: VALVE,ANGLE RELIEF
•
NONSUPPLY ITEMS AND QUANTITIES: M83248/2 (FLUOROCARBON,90 DUROMETER) AS568A DASH NUMBER O-RINGS; 2-350 1,2-262 1,2-228 1,3-908 1,2-013 1,3-920 1,2-112 1
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY7
END ITEM NAMEVALVE,ANGLE RELIEF
NONSUPPLY ITEMS AND QUANTITIESM83248/2 (FLUOROCARBON,90 DUROMETER) AS568A DASH NUMBER O-RINGS; 2-350 1,2-262 1,2-228 1,3-908 1,2-013 1,3-920 1,2-112 1
SPECIAL FEATURESMIL SPEC P/N FORMAT M83248/2-XXX (LAST 3 DIGITS OF AS568A DASH NUMBER)
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
D50-0002 NOTE 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B4031-LS?
B4031-LS is a O-RING SET.
What parts can replace B4031-LS?
There is 1 known substitute for B4031-LS: D50-0002 NOTE 6. Substitute compatibility should be verified for your specific system.
What is the NSN for B4031-LS?
B4031-LS is cataloged in the U.S. Government catalog under NSN 5331-01-580-7690. This indicates validated use in U.S. government and defense supply chains.
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