PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1550AInsert

Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect · NSN 5340-00-078-4457 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-078-4457 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-078-4457. Primary manufacturer part number: 1550A.
Features
  • Insert — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Insert, cataloged under National Stock Number 5340-00-078-4457, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameInsert
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersWinchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (CAGE 81312)
Technical Specifications
ParameterValue
NSN5340-00-078-4457
Primary Part Number1550A
Item NameInsert
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerWinchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5850-00-501-1455 INTERCHANGEABLE
Light,signal
5940-00-779-225755A TERMINAL BOARD INTERCHANGEABLE
Terminal Board
Cinch Connectivity Solutions Inc.
5895-01-582-75111550A INTERCHANGEABLE
Divider,power,radio Frequency
Aeroflex Laboratories Inc Hybrid Div
5895-01-592-93641550A INTERCHANGEABLE
Divider,power,radio Frequency
Spectrum Control Inc Div Weinschel
Cross-Reference Index
Part NumberManufacturer
1550A PRIMARY Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
Related Parts
5850-00-501-1455INTERCHANGEABLE
LIGHT,SIGNAL
5940-00-779-2257INTERCHANGEABLE
TERMINAL BOARD
55A TERMINAL BOARD
5895-01-582-7511INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
1550A
5895-01-592-9364INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
1550A

Frequently Asked Questions

What is NSN 5340-00-078-4457?

NSN 5340-00-078-4457 is a Insert, manufactured by Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-078-4457?

NSN 5340-00-078-4457 has 1 cross-referenced part number: 1550A (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect).

What NSN replaces 5340-00-078-4457?

There are 4 known substitutes for 5340-00-078-4457: 5850-00-501-1455, 5940-00-779-2257, 5895-01-582-7511 and 1 more. Verify interchangeability with system specifications before substitution.

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