PartsTable
Technical Data Sheet
272.505 891 ✓ 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 272.505 891 is a the manufacturer industrial component. Key specifications include Drive Bays: 27x 2.5" SFF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-171-2436, 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
272.505 891
NSN: 5340-00-171-2436
FSC: 5340
CAGE: D3683 — VINCORION ADVANCED SYSTEMS GMBH DIV JENOPTIK DEFENSE AND CIVIL SYSTEMS (DEU)
SPECIFICATIONS
Drive Bays27x 2.5" SFF
NSN5340-00-171-2436
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 272.505 891 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 (FLIS)
SPECIAL FEATURESOPEN END INSIDE DIAMETER: 1.028 INCHES MAXIMUM. CLOSED END OVERALL DIAMETER:1.094 INCHES MAXIMUM. LENGTH UNDER SHOULDER: 0.446 INCHES NOMINAL. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
M5501/1-R6Upgraded Successor
successor cross-reference
successor
MILC5501Upgraded Successor
successor cross-reference
successor
MIL-C-5501/1Upgraded Successor
successor cross-reference
successor
M5501/1-R8Upgraded Successor
successor cross-reference
successor
NAS847 MIL-C-5501G-9Upgraded Successor
successor cross-reference
successor
NAS844-12Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 272.505 891?
272.505 891 is a 272.505 891.
What parts can replace 272.505 891?
There are 28 known substitutes for 272.505 891: M5501/1-R6, MILC5501, MIL-C-5501/1 and 25 more. Substitute compatibility should be verified for your specific system.
Is 272.505 891 still available?
272.505 891 is currently cancelled.
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