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500156 ✓ 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

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, overall_width: 2.500 INCHES NOMINAL IN, overall_height: 5.000 INCHES NOMINAL IN, overall_length: 3.0 METERS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-050-0156, 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
500156
NSN: 5330-00-050-0156
FSC: 5330
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
overall_width2.500 INCHES NOMINAL IN
overall_height5.000 INCHES NOMINAL IN
overall_length3.0 METERS
special_featuresMAY INCLUDE REPLACEMENT GEARS, WASHERS, PINS, AND SHIMS
termination_typeCONNECTOR PLUG BOTH ENDS ALL CONDUCTORS
housing_bore_diameter3.485 INCHES MINIMUM AND 3.515 INCHES MAXIMUM IN
sealing_element_styleANGULAR
end_item_identificationP/N 103305 (3QML5) ANTENNA CONTROL UNIT CASE
accommodated_shaft_diameter2.500 INCHES NOMINAL IN
NSN5330-00-050-0156
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 500156 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
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 3.485 INCHES MINIMUM AND 3.515 INCHES MAXIMUM IN
•
MATERIAL: STEEL CASE
•
SEAL WIDTH: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1600 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 2.500 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER3.485 INCHES MINIMUM AND 3.515 INCHES MAXIMUM IN
MATERIALSTEEL CASE
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1600 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER2.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
500156Interchangeable
interchangeable cross-reference
interchangeable
SMC469695Interchangeable
interchangeable cross-reference
interchangeable
50-0049Interchangeable
interchangeable cross-reference
interchangeable
P500156Interchangeable
interchangeable cross-reference
interchangeable
T20023C-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500156?
500156 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 500156?
There are 5 known substitutes for 500156: 500156, SMC469695, 50-0049 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 500156?
500156 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-050-0156. 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