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B2312 — DISK,VALVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B2312: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 2.125 INCHES NOMINAL IN, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL OVERALL, outside_diameter: 5.875 INCHES NOMINAL IN, style_designator: SOLID, peripheral_diameter: 5.196 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-057-3993, 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
B2312
NSN: 5330-00-057-3993
NIINs: 000573993, 011379682, 011532777
FSC: 5330 — Packing and Gasket Materials
CAGE: 16583 — GH BETTIS A GALVESTON-HOUSTON CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height2.125 INCHES NOMINAL IN
hardness_rating70.0 SHORE DUROMETER A NOMINAL OVERALL
outside_diameter5.875 INCHES NOMINAL IN
style_designatorSOLID
peripheral_diameter5.196 INCHES NOMINAL IN
center_hole_diameter4.156 INCHES NOMINAL IN
cross-sectional_height0.480 INCHES NOMINAL IN
cross-sectional_shape_styleU
material_document_and_classificationAYCAR 726 FSCM 74314 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-057-3993
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B2312 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
•
CROSS-SECTIONAL HEIGHT: 0.480 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AYCAR 726 FSCM 74314 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: U
•
PERIPHERAL DIAMETER: 5.196 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 4.156 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.480 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAYCAR 726 FSCM 74314 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEU
PERIPHERAL DIAMETER5.196 INCHES NOMINAL IN
CENTER HOLE DIAMETER4.156 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
C605PC8Reference document
Same NSN cross-reference
Reference document — Secondary reference
202312Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B2312?
B2312 is a DISK,VALVE.
What parts can replace B2312?
There are 2 known substitutes for B2312: C605PC8, 202312. Substitute compatibility should be verified for your specific system.
What is the NSN for B2312?
B2312 is cataloged in the U.S. Government catalog under NSN 5330-00-057-3993. This indicates validated use in U.S. government and defense supply chains.
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