PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CN-315/URM-26BAttenuator,fixed

Joint Electronics Type Designation System · NSN 5985-00-518-7252 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-518-7252 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-518-7252. Primary manufacturer part number: CN-315/URM-26B.
Features
  • Attenuator,fixed — FSC 5985
  • Body Style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES
  • Input Impedance Rating in Ohms: 80.0
  • Frequency Range: 4.000 MEGAHERTZ MINIMUM AND 405.000 MEGAHERTZ MAXIMUM
  • Attenuation Accuracy in Decibels: -1.00 TO 1.00
  • Coaxial Connector Series Designation: BNC
  • Body Length: 1.844 INCHES NOMINAL IN
  • Mounting Method: TERMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-518-7252, 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 Joint Electronics Type Designation System. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-518-7252
Primary Part NumberCN-315/URM-26B
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusACTIVE
Body StyleRECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES
Input Impedance Rating in Ohms80.0
Frequency Range4.000 MEGAHERTZ MINIMUM AND 405.000 MEGAHERTZ MAXIMUM
Attenuation Accuracy in Decibels-1.00 TO 1.00
Coaxial Connector Series DesignationBNC
Body Length1.844 INCHES NOMINAL IN
Mounting MethodTERMINAL
Power Rating500.0 MILLIWATTS AVERAGE
Output Impedance Rating in Ohms80.0
Terminal Type and Quantity2 CONNECTOR
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Rf Signal Attenuation in Decibels6.0
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4820-00-163-89153222-7036-5 INTERCHANGEABLE
Plug,rotary,valve
Kidde Fire Fighting, Inc. Div National Foam
6625-00-849-4331SMC393999 INTERCHANGEABLE
Meter,special Scale
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3030-00-902-6689 INTERCHANGEABLE
Belt,positive Drive
4920-01-291-9311IPM43A0000376-425107-12010006500 INTERCHANGEABLE
Monitor,phase
Logitek Inc
5930-01-325-657410-0303 INTERCHANGEABLE
Switch,foot
Boyd Industries, Inc
6670-01-389-6170100303 INTERCHANGEABLE
Load Cell,force-Weight
Intercomp Co
5331-01-488-4848100303 INTERCHANGEABLE
O-Ring
Indeco North America Inc
8125-01-497-2291100303 INTERCHANGEABLE
Cap,screw,bottle and Jar
Fluid Defense Systems, Llc Dba Fluid Defense Systems
6120-01-510-9312100,303 INTERCHANGEABLE
Power Supply
International Met Systems Inc Dba Intermet Systems
6515-01-661-1236100303 INTERCHANGEABLE
Valve,surgical Drain
Medivators Inc.
Cross-Reference Index
Part NumberManufacturer
100303 J F C Electronics Inc (USA)
CN-315/URM-26B PRIMARY Joint Electronics Type Designation System (USA)
118-C-10REVC Entron Industries Limited Partnership Dba Entron Industries Property Div (USA)
Related Parts
4820-00-163-8915INTERCHANGEABLE
PLUG,ROTARY,VALVE
3222-7036-5
6625-00-849-4331INTERCHANGEABLE
METER,SPECIAL SCALE
SMC393999
3030-00-902-6689INTERCHANGEABLE
BELT,POSITIVE DRIVE
4920-01-291-9311INTERCHANGEABLE
MONITOR,PHASE
IPM43A0000376-425107-12010006500
5930-01-325-6574INTERCHANGEABLE
SWITCH,FOOT
10-0303
6670-01-389-6170INTERCHANGEABLE
LOAD CELL,FORCE-WEIGHT
100303
5331-01-488-4848INTERCHANGEABLE
O-RING
100303
8125-01-497-2291INTERCHANGEABLE
CAP,SCREW,BOTTLE AND JAR
100303
6120-01-510-9312INTERCHANGEABLE
POWER SUPPLY
100,303
6515-01-661-1236INTERCHANGEABLE
VALVE,SURGICAL DRAIN
100303

Frequently Asked Questions

What is NSN 5985-00-518-7252?

NSN 5985-00-518-7252 is a Attenuator,fixed, manufactured by Joint Electronics Type Designation System, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-518-7252?

NSN 5985-00-518-7252 has 3 cross-referenced part numbers: 100303 (J F C Electronics Inc), CN-315/URM-26B (Joint Electronics Type Designation System), 118-C-10REVC (Entron Industries Limited Partnership Dba Entron Industries Property Div).

What NSN replaces 5985-00-518-7252?

There are 10 known substitutes for 5985-00-518-7252: 4820-00-163-8915, 6625-00-849-4331, 3030-00-902-6689 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CN-315/URM-26B?

Key specifications for CN-315/URM-26B: Body Style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES; Input Impedance Rating in Ohms: 80.0; Frequency Range: 4.000 MEGAHERTZ MINIMUM AND 405.000 MEGAHERTZ MAXIMUM; Overall Width: 0.938 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

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