PartsTable / O-RING / 908SB5
908SB5
✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 0.803 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN, center_hole_diameter: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN, cross-sectional_height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, end_item_identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-263-8031, 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
908SB5
NSN: 5331-00-263-8031 FSC: 5331 — O-RINGCAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
material RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR outside_diameter 0.803 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN center_hole_diameter 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN cross-sectional_height 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN end_item_identification MULTIPLE LAUNCH ROCKET SYSTEM (MLRS) NSN 5331-00-263-8031
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION
ID: —
CROSS-SECTION
CS: —
SPECIFICATION
Material: —
Durometer: —
Temp: —
PN: 908SB5
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
• MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
• CROSS-SECTIONAL HEIGHT: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
• CENTER HOLE DIAMETER: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
• OUTSIDE DIAMETER: 0.803 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR END ITEM IDENTIFICATION MULTIPLE LAUNCH ROCKET SYSTEM (MLRS) CROSS-SECTIONAL HEIGHT 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN CENTER HOLE DIAMETER 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN OUTSIDE DIAMETER 0.803 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
C6908 Interchangeable interchangeable cross-reference
interchangeable
51021 Interchangeable interchangeable cross-reference
interchangeable
17938 Interchangeable interchangeable cross-reference
interchangeable
78668 Interchangeable interchangeable cross-reference
interchangeable
276-2098P1 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 908SB5?
908SB5 is a O-RING.
What parts can replace 908SB5?
There are 19 known substitutes for 908SB5: C6908, 51021, 17938 and 16 more. Substitute compatibility should be verified for your specific system.
Is 908SB5 still available?
908SB5 is currently cancelled.