PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2274Attenuator,variable

L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications · NSN 5985-00-031-3993 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-031-3993 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-031-3993. Primary manufacturer part number: 2274.
Features
  • Attenuator,variable — FSC 5985
  • Body Diameter: 0.250 INCHES NOMINAL IN
  • Body Length: 0.750 INCHES NOMINAL IN
  • Terminal Type and Quantity: 14 PIN
  • Segment Attenuation Accuracy in Decibels: -0.50 TO 0.50
  • Impedance Rating in Ohms: 600.0 INPUT-OUTPUT
  • Adjustment Device Type and Quantity: 1 SLOTTED SCREW
  • Segment Attenuation Range in Decibels: +0.00 TO 4.00 AND +4.00 TO 8.00 AND +8.00 TO 16.00
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-031-3993, 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 L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5985-00-031-3993
Primary Part Number2274
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
StatusCANCELLED
Body Diameter0.250 INCHES NOMINAL IN
Body Length0.750 INCHES NOMINAL IN
Terminal Type and Quantity14 PIN
Segment Attenuation Accuracy in Decibels-0.50 TO 0.50
Impedance Rating in Ohms600.0 INPUT-OUTPUT
Adjustment Device Type and Quantity1 SLOTTED SCREW
Segment Attenuation Range in Decibels+0.00 TO 4.00 AND +4.00 TO 8.00 AND +8.00 TO 16.00
Overall Attenuation Range in Decibels+0.0 TO 16.0
Attenuation Variation MethodCONTINUOUS
Mounting Facility Type and Quantity2 TERMINAL
Insertion Loss at Minimum Attenuation in Maximum Decibels0.20
Overall Attenuation Accuracy in Decibels-0.50 TO 0.50
Frequency Range200.000 MEGAHERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM
Application DesignTRANSMISSION LINE
Body StyleCYLINDRICAL W/SIDE TERMINALS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-157-00752-274 INTERCHANGEABLE
Strip,felt
Precision Aerospace Corporation Dba Precision Engine Control
5975-00-241-36572273 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5305-00-622-9476 INTERCHANGEABLE
Screw,machine
5985-00-765-82572274 INTERCHANGEABLE
Antenna
Axillon Aerospace (baltimore) Inc.
6675-00-962-72292274 INTERCHANGEABLE
Template,drafting
Dietzgen Corp
5331-00-995-26012-274C873-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
4930-01-005-36514311 INTERCHANGEABLE
Lubricating Gun,handheld
Elliott Machine Works Inc
5915-01-019-849808-00929-001 INTERCHANGEABLE
Filter,band Pass
Raytheon Company
2805-01-289-1401772274 INTERCHANGEABLE
Ring Set,piston
Deutz Corporation
7930-01-314-2766 INTERCHANGEABLE
Cleaning Compound,ultrasonic
Cross-Reference Index
Part NumberManufacturer
DMS 88163B Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
2274 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
NRC2274 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
Related Parts
5330-00-157-0075INTERCHANGEABLE
STRIP,FELT
2-274
5975-00-241-3657INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2273
5305-00-622-9476INTERCHANGEABLE
SCREW,MACHINE
5985-00-765-8257INTERCHANGEABLE
ANTENNA
2274
6675-00-962-7229INTERCHANGEABLE
TEMPLATE,DRAFTING
2274
5331-00-995-2601INTERCHANGEABLE
O-RING
2-274C873-70
4930-01-005-3651INTERCHANGEABLE
LUBRICATING GUN,HANDHELD
4311
5915-01-019-8498INTERCHANGEABLE
FILTER,BAND PASS
08-00929-001
2805-01-289-1401INTERCHANGEABLE
RING SET,PISTON
772274
7930-01-314-2766INTERCHANGEABLE
CLEANING COMPOUND,ULTRASONIC
5210-01-368-4551INTERCHANGEABLE
GAGE,THICKNESS
5340-01-426-8543INTERCHANGEABLE
BRACKET,MOUNTING
2274

Frequently Asked Questions

What is NSN 5985-00-031-3993?

NSN 5985-00-031-3993 is a Attenuator,variable, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-031-3993?

NSN 5985-00-031-3993 has 3 cross-referenced part numbers: DMS 88163B (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 2274 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications), NRC2274 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications).

What NSN replaces 5985-00-031-3993?

There are 12 known substitutes for 5985-00-031-3993: 5330-00-157-0075, 5975-00-241-3657, 5305-00-622-9476 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2274?

Key specifications for 2274: Body Diameter: 0.250 INCHES NOMINAL IN; Body Length: 0.750 INCHES NOMINAL IN; Terminal Type and Quantity: 14 PIN; Segment Attenuation Accuracy in Decibels: -0.50 TO 0.50. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-031-3993 still in active supply?

NSN 5985-00-031-3993 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.
PartsTable Design LLC · partstable.com