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Technical Data Sheet
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50221 ✓ Verified by PartsTable
Sandberg · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

This extension cable enables you to extend Danish 3-pin telephone cables. The cable has a male to female configuration. The male connector is a combined male and female, to allow an extra telephone cable to be attached to the back of the connector.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-179-0966, 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
50221
NSN: 5330-00-179-0966
FSC: 5330
CAGE: 76680 — FEDERAL-MOGUL CORP CHASSIS PRODUCTS DIV (USA)
SPECIFICATIONS
colorWHITE BACKGROUND
materialSTEEL CORROSION RESISTING OVERALL
body_width2.375 INCHES NOMINAL IN
case_styleSQUARE
head_styleROUND
joint_typeSCARF-BUTT OVERALL
seal_width0.438 INCHES NOMINAL IN
body_height6.937 INCHES NOMINAL IN
body_length2.375 INCHES NOMINAL IN
design_typeREUSABLE
head_height0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
insert_size0.375 IN. DIA IN
NSN5330-00-179-0966
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 50221 MFR: Sandberg ⚠ 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
•
SEAL WIDTH: 0.438 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
ACCOMMODATED SHAFT DIAMETER: 1.062 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
CASE STYLE: SQUARE
•
HOUSING BORE DIAMETER: 1.624 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.438 INCHES NOMINAL IN
MATERIALSTEEL CASE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALLEATHER SEALING ELEMENT
ACCOMMODATED SHAFT DIAMETER1.062 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
CASE STYLESQUARE
HOUSING BORE DIAMETER1.624 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
A-A-59585Interchangeable
interchangeable cross-reference
interchangeable
SKF6318JInterchangeable
interchangeable cross-reference
interchangeable
416821-53-DEInterchangeable
interchangeable cross-reference
interchangeable
1318Interchangeable
interchangeable cross-reference
interchangeable
T1314Interchangeable
interchangeable cross-reference
interchangeable
1752TInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50221?
50221 is a CABLE ASSEMBLY,RADIO FREQUENCY manufactured by Sandberg.
What parts can replace 50221?
There are 31 known substitutes for 50221: A-A-59585, SKF6318J, 416821-53-DE and 28 more. Substitute compatibility should be verified for your specific system.
Is 50221 still available?
50221 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026