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1621027 ✓ 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 RETRACTOR,CABLE is a the manufacturer cable assembly designed for reliable internal or external connectivity in enterprise server and storage environments. Key specifications include width: 3.000 INCHES NOMINAL IN, mounting_method: BRACKET(S), special_features: 15.688 IN. LG IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-946-5847, 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
1621027
NSN: 5340-00-946-5847
FSC: 5340
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
width3.000 INCHES NOMINAL IN
mounting_methodBRACKET(S)
special_features15.688 IN. LG IN
NSN5340-00-946-5847
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1621027 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
•
WIDTH: 3.000 INCHES NOMINAL IN
•
MOUNTING METHOD: BRACKET(S)
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH3.000 INCHES NOMINAL IN
MOUNTING METHODBRACKET(S)
SPECIAL FEATURES15.688 IN. LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
CR101Interchangeable
interchangeable cross-reference
interchangeable
CR102Interchangeable
interchangeable cross-reference
interchangeable
12Z10008-1Interchangeable
interchangeable cross-reference
interchangeable
MCF5-8Interchangeable
interchangeable cross-reference
interchangeable
44547Interchangeable
interchangeable cross-reference
interchangeable
20BD455Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1621027?
1621027 is a RETRACTOR,CABLE.
What parts can replace 1621027?
There are 14 known substitutes for 1621027: CR101, CR102, 12Z10008-1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1621027?
1621027 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-946-5847. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026