PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

128AX-25Switch,radio Frequency Transmiss

Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) · NSN 5985-01-100-5508 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-100-5508 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-100-5508. Primary manufacturer part number: 128AX-25.
Features
  • Switch,radio Frequency Transmiss — FSC 5985
  • Body Style: RECTANGULAR
  • Actuator Current Type and Rating in Amps: 1.0 AC NOMINAL
  • Throw Quantity: 2
  • Switching Time: 20.0 MILLISECONDS MS
  • Switch Type: NONTRANSFER
  • Coaxial Connector Series Designation: N
  • Coupling Position Quantity: 3
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-100-5508, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft). Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-01-100-5508
Primary Part Number128AX-25
Item NameSwitch,radio Frequency Transmiss
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerSe Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
StatusCANCELLED
Body StyleRECTANGULAR
Actuator Current Type and Rating in Amps1.0 AC NOMINAL
Throw Quantity2
Switching Time20.0 MILLISECONDS MS
Switch TypeNONTRANSFER
Coaxial Connector Series DesignationN
Coupling Position Quantity3
Actuator Voltage in Volts6.0 NOMINAL
Pole Quantity1
Frequency Rating0.0 MEGAHERTZ MINIMUM AND 470.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO
Connector End DesignFEMALE
Terminal Type and Quantity3 CONNECTOR, RECEPTACLE AND 2 TAB, SOLDER LUG
Operating Temp Range-55.0 TO 65.0 CELSIUS DEGC
Switch Operation SequenceMAKES BEFORE BREAKS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-032-94893147 INTERCHANGEABLE
Inserter and Remover,bearing and
Allison Transmission Inc Dba Allison Transmission, Inc
3110-00-100-4446 INTERCHANGEABLE
Bearing,roller,tapered
4330-00-105-608285-000 INTERCHANGEABLE
Filter Element,fluid
Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
6515-00-110-81723147 INTERCHANGEABLE
Glove,patient Examining
Johnson and Johnson Medical Inc Sub of Johnson and Johnson
5310-00-151-88723147 INTERCHANGEABLE
Nut,plain,hexagon
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
3455-00-254-847254-10007 INTERCHANGEABLE
Cutter,milling,concave
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5945-00-258-3155328AX-5 INTERCHANGEABLE
Relay,electromagnetic
Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
5995-00-264-7839CX-1334/U-6FT INTERCHANGEABLE
Cable Assembly,special Purpose,e
Joint Electronics Type Designation System
5325-00-282-5595A2622H INTERCHANGEABLE
Ring,retaining
H20 Tank Inc U S Motors Div
3020-00-477-66923147 INTERCHANGEABLE
Gear Assembly,main
Kearflex Engineering Company
Cross-Reference Index
Part NumberManufacturer
85000 Wurlitzer Co the (USA)
3147 Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
C3118-2 Scomill Inc (USA)
3147Y Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
128AX-25 PRIMARY Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
328AX-5 Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
0146A Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector (USA)
CWS311B-2 Scomill Inc (USA)
3147-1Y Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
Related Parts
5120-00-032-9489INTERCHANGEABLE
INSERTER AND REMOVER,BEARING AND
3147
3110-00-100-4446INTERCHANGEABLE
BEARING,ROLLER,TAPERED
4330-00-105-6082INTERCHANGEABLE
FILTER ELEMENT,FLUID
85-000
6515-00-110-8172INTERCHANGEABLE
GLOVE,PATIENT EXAMINING
3147
5310-00-151-8872INTERCHANGEABLE
NUT,PLAIN,HEXAGON
3147
3455-00-254-8472INTERCHANGEABLE
CUTTER,MILLING,CONCAVE
54-10007
5945-00-258-3155INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
328AX-5
5995-00-264-7839INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
CX-1334/U-6FT
5325-00-282-5595INTERCHANGEABLE
RING,RETAINING
A2622H
3020-00-477-6692INTERCHANGEABLE
GEAR ASSEMBLY,MAIN
3147
5945-00-683-4040INTERCHANGEABLE
RELAY,THERMAL
5315-00-840-0877INTERCHANGEABLE
PIN,GROOVED,HEADED

Frequently Asked Questions

What is NSN 5985-01-100-5508?

NSN 5985-01-100-5508 is a Switch,radio Frequency Transmiss, manufactured by Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft), classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-01-100-5508?

NSN 5985-01-100-5508 has 9 cross-referenced part numbers: 85000 (Wurlitzer Co the), 3147 (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)), C3118-2 (Scomill Inc), 3147Y (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)), 128AX-25 (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)) and 4 more.

What NSN replaces 5985-01-100-5508?

There are 12 known substitutes for 5985-01-100-5508: 5120-00-032-9489, 3110-00-100-4446, 4330-00-105-6082 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 128AX-25?

Key specifications for 128AX-25: Body Style: RECTANGULAR; Overall Width: 1.438 INCHES MAXIMUM IN; Actuator Current Type and Rating in Amps: 1.0 AC NOMINAL; Throw Quantity: 2. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-01-100-5508 still in active supply?

NSN 5985-01-100-5508 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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