PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4409Interface Unit,communication Equ

Tel Labs Inc · NSN 5895-01-372-5509 · FSC 5895 · No Item Name Available
Verified by PartsTable
NSN 5895-01-372-5509 — this item is cataloged by the U.S. Government under National Stock Number 5895-01-372-5509. Primary manufacturer part number: 4409.
Features
  • Interface Unit,communication Equ — FSC 5895
  • 1 verified cross-reference
  • Primary manufacturer: Tel Labs Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Interface Unit,communication Equ, cataloged under National Stock Number 5895-01-372-5509, is classified within Federal Supply Class 5895 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Tel Labs Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5895-01-372-5509
Primary Part Number4409
Item NameInterface Unit,communication Equ
FSC / FSG5895 / 58 — No Item Name Available
ManufacturerTel Labs Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-01-267-9855 (9211-2649)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 10
6625-01-267-98559211-2649 SUCCESSOR
Case Transit
Hewlett-Packard Company Dba HP
5310-00-243-7179 INTERCHANGEABLE
Nut,plain,hexagon
5920-00-280-44144409 INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
5330-00-301-5749SCB61722 INTERCHANGEABLE
Gasket
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6220-00-577-3435 INTERCHANGEABLE
Light,marker,clearance
5950-00-672-9316 INTERCHANGEABLE
Coil,radio Frequency
5120-01-019-78624409 INTERCHANGEABLE
Die,crimping Tool
Abb Installation Products Inc
5120-01-160-1312 INTERCHANGEABLE
Die,crimping Tool
5120-01-396-59004409 INTERCHANGEABLE
Extension,socket Wrench
Wright Tool Co
5985-01-685-76874409 INTERCHANGEABLE
Antenna
Sunar Rf Motion, Inc.
Cross-Reference Index
Part NumberManufacturer
4409 Tel Labs Inc (USA)
Related Parts
SUCCESSOR 6625-01-267-9855 Case Transit · 9211-2649
5310-00-243-7179INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5920-00-280-4414INTERCHANGEABLE
FUSEHOLDER,BLOCK
4409
5330-00-301-5749INTERCHANGEABLE
GASKET
SCB61722
6220-00-577-3435INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
5950-00-672-9316INTERCHANGEABLE
COIL,RADIO FREQUENCY
5120-01-019-7862INTERCHANGEABLE
DIE,CRIMPING TOOL
4409
5120-01-160-1312INTERCHANGEABLE
DIE,CRIMPING TOOL
5120-01-396-5900INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
4409
5985-01-685-7687INTERCHANGEABLE
ANTENNA
4409

Frequently Asked Questions

What is NSN 5895-01-372-5509?

NSN 5895-01-372-5509 is a Interface Unit,communication Equ, manufactured by Tel Labs Inc, classified under FSC 5895 (No Item Name Available). Status: active.

What are the part numbers for NSN 5895-01-372-5509?

NSN 5895-01-372-5509 has 1 cross-referenced part number: 4409 (Tel Labs Inc).

What NSN replaces 5895-01-372-5509?

There are 10 known substitutes for 5895-01-372-5509: 6625-01-267-9855, 5310-00-243-7179, 5920-00-280-4414 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4409?

Key specifications for 4409: Special Features: ITEM IS A PICKUP RELAY AND STATION CIRCUIT MODULE TELLABS 4 WIRE SYSTEM. XMIT.INSERTION LOSS,1DB MAX. AT 1000HZ WITH 600 OHM TERMINATION. REC. INSERTION LOSS 1.5DB MAX. AT 1000HZ WITH 600 OHM TERMINATION. INPUT VOLTAGE -21 TO -28VDC,FILTEREDD,GROUND REFERENCED. OPERATING TEMP.20 TO 130 DIG.F. 5.58 IN.HIGH,1.42 IN. WIDE,5.96 IN. DEEP. MOUNTING,RELAY RACK OR APPARATUS CASE VIA ONE POSITION OF TELLABS TYPE 10 MOUNTING SHELF. VDC; Special Features: ITEM IS A PICKUP RELAY AND STATION CIRCUIT MODULE TELLABS 4 WIRE SYSTEM. XMIT.INSERTION LOSS,1DB MAX. AT 1000HZ WITH 600 OHM TERMINATION. REC. INSERTION LOSS 1.5DB MAX. AT 1000HZ WITH 600 OHM TERMINATION. INPUT VOLTAGE -21 TO -28VDC,FILTEREDD,GROUND REFERENCED. OPERATING TEMP.20 TO 130 DIG.F. 5.58 IN.HIGH,1.42 IN. WIDE,5.96 IN. DEEP. MOUNTING,RELAY RACK OR APPARATUS CASE VIA ONE POSITION OF TELLABS TYPE 10 MOUNTING SHELF. VDC. 2 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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