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MS9956-08 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS9956-08: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-089-3732, 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
MS9956-08
NSN: 5331-01-089-3732
NIINs: 010893732, 013591563
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5331-01-089-3732
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9956-08 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESTUBE OUTSIDE DIMENSIONS 0.500 IN;INSIDE DIMENSIONS 0.649 IN;THICKNESS0.090 INCH. IN
SUBSTITUTES & CROSS-REFERENCES 1
SAE-AS9956Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS9956-08?
MS9956-08 is a O-RING.
What parts can replace MS9956-08?
There is 1 known substitute for MS9956-08: SAE-AS9956. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9956-08?
MS9956-08 is cataloged in the U.S. Government catalog under NSN 5331-01-089-3732. This indicates validated use in U.S. government and defense supply chains.
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