PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2921Interface Unit,automatic Data Pr

Cisco Systems Inc · NSN 7025-01-631-1550 · FSC 7025 · No Item Name Available
Verified by PartsTable
NSN 7025-01-631-1550 — this item is cataloged by the U.S. Government under National Stock Number 7025-01-631-1550. Primary manufacturer part number: 2921.
Features
  • Interface Unit,automatic Data Pr — FSC 7025
  • Power Source: EXTERNAL
  • Unpackaged Unit Height: 3.500 INCHES NOMINAL IN
  • Mounting Type: RACK
  • Unpackaged Unit Length: 18.500 INCHES NOMINAL IN
  • Storage Temp Range: -40.0 TO 138.0 FAHRENHEIT DEGF
  • Power Source: EXTERNAL
  • Unpackaged Unit Height: 3.500 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Interface Unit,automatic Data Pr, cataloged under National Stock Number 7025-01-631-1550, is classified within Federal Supply Class 7025 (No Item Name Available) of the General Purpose ADP Equipment group. The primary manufacturer of record is Cisco Systems Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN7025-01-631-1550
Primary Part Number2921
Item NameInterface Unit,automatic Data Pr
FSC / FSG7025 / 70 — No Item Name Available
ManufacturerCisco Systems Inc
StatusACTIVE
Power SourceEXTERNAL
Unpackaged Unit Height3.500 INCHES NOMINAL IN
Mounting TypeRACK
Unpackaged Unit Length18.500 INCHES NOMINAL IN
Storage Temp Range-40.0 TO 138.0 FAHRENHEIT DEGF
Power SourceEXTERNAL
Unpackaged Unit Height3.500 INCHES NOMINAL IN
Mounting TypeRACK
Unpackaged Unit Length18.500 INCHES NOMINAL IN
Storage Temp Range-40.0 TO 138.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeHH
Verified Substitutes 12
6625-00-140-738510548824-4 SUCCESSOR
Voltmeter
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5999-00-927-6803SMA569509-6 SUCCESSOR
Heat Sink,electrical-Electronic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
7530-00-050-2326 INTERCHANGEABLE
Envelope,messenger Service
5985-00-089-8557 INTERCHANGEABLE
Probe,waveguide
1650-00-302-42512921 INTERCHANGEABLE
Cylinder,actuating,linear
Goodrich Corporation
5950-00-488-99012921 INTERCHANGEABLE
Transformer,power
General Microwave Corporation Div Kratos Microwave Electronics
5950-00-803-8399 INTERCHANGEABLE
Coil,radio Frequency
5365-01-088-8047 INTERCHANGEABLE
Shim
6515-01-185-78362921 INTERCHANGEABLE
Holder,leg
Dyonics Inc Sub of William H Rorer Inc
5985-01-214-0863ATT-0292-01-SMA-02 INTERCHANGEABLE
Attenuator,fixed
Cinch Connectivity Solutions Inc
Cross-Reference Index
Part NumberManufacturer
2921 PRIMARY Cisco Systems Inc (USA)
Related Parts
6625-00-140-7385SUCCESSOR
VOLTMETER
10548824-4
5999-00-927-6803SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
SMA569509-6
7530-00-050-2326INTERCHANGEABLE
ENVELOPE,MESSENGER SERVICE
5985-00-089-8557INTERCHANGEABLE
PROBE,WAVEGUIDE
1650-00-302-4251INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
2921
5950-00-488-9901INTERCHANGEABLE
TRANSFORMER,POWER
2921
5950-00-803-8399INTERCHANGEABLE
COIL,RADIO FREQUENCY
5365-01-088-8047INTERCHANGEABLE
SHIM
6515-01-185-7836INTERCHANGEABLE
HOLDER,LEG
2921
5985-01-214-0863INTERCHANGEABLE
ATTENUATOR,FIXED
ATT-0292-01-SMA-02
6515-01-277-9405INTERCHANGEABLE
WIRE,BONE
292.10
4820-01-325-1713INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT

Frequently Asked Questions

What is NSN 7025-01-631-1550?

NSN 7025-01-631-1550 is a Interface Unit,automatic Data Pr, manufactured by Cisco Systems Inc, classified under FSC 7025 (No Item Name Available). Status: active.

What are the part numbers for NSN 7025-01-631-1550?

NSN 7025-01-631-1550 has 1 cross-referenced part number: 2921 (Cisco Systems Inc).

What NSN replaces 7025-01-631-1550?

There are 12 known substitutes for 7025-01-631-1550: 6625-00-140-7385, 5999-00-927-6803, 7530-00-050-2326 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2921?

Key specifications for 2921: Power Source: EXTERNAL; Unpackaged Unit Height: 3.500 INCHES NOMINAL IN; Mounting Type: RACK; Part Name Assigned by Controlling Agency: ROUTER. 12 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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