PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12087-1Transition Assembly,internal

Raytheon Co ESD Long Island Div · NSN 5865-00-338-8489 · FSC 5865 · No Item Name Available
Verified by PartsTable
NSN 5865-00-338-8489 — this item is cataloged by the U.S. Government under National Stock Number 5865-00-338-8489. Primary manufacturer part number: 12087-1.
Features
  • Transition Assembly,internal — FSC 5865
  • General Characteristics Item Description: 1.375 BY 1.063 IN. O/A DIM. IN
  • 1 verified cross-reference
  • Primary manufacturer: Raytheon Co ESD Long Island Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transition Assembly,internal, cataloged under National Stock Number 5865-00-338-8489, is classified within Federal Supply Class 5865 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Raytheon Co ESD Long Island Div. Government technical data includes 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5865-00-338-8489
Primary Part Number12087-1
Item NameTransition Assembly,internal
FSC / FSG5865 / 58 — No Item Name Available
ManufacturerRaytheon Co ESD Long Island Div
StatusACTIVE
General Characteristics Item Description1.375 BY 1.063 IN. O/A DIM. IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6685-00-244-0642TQ2683-2 INTERCHANGEABLE
Thermocouple,contact
Ametek Inc Div Aerospace and Defense
4130-00-546-22339003200 INTERCHANGEABLE
Filter Element,air Conditioning
Us Army Aviation and Missile Command
5950-00-896-9700120871 INTERCHANGEABLE
Transformer,audio Frequency
The Boeing Company Div Defense
6750-01-427-0824 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
12087-1 PRIMARY Raytheon Co ESD Long Island Div (USA)
Related Parts
6685-00-244-0642INTERCHANGEABLE
THERMOCOUPLE,CONTACT
TQ2683-2
4130-00-546-2233INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
9003200
5950-00-896-9700INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
120871
6750-01-427-0824INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5865-00-338-8489?

NSN 5865-00-338-8489 is a Transition Assembly,internal, manufactured by Raytheon Co ESD Long Island Div, classified under FSC 5865 (No Item Name Available). Status: active.

What are the part numbers for NSN 5865-00-338-8489?

NSN 5865-00-338-8489 has 1 cross-referenced part number: 12087-1 (Raytheon Co ESD Long Island Div).

What NSN replaces 5865-00-338-8489?

There are 4 known substitutes for 5865-00-338-8489: 6685-00-244-0642, 4130-00-546-2233, 5950-00-896-9700 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12087-1?

Key specifications for 12087-1: End Item Identification: COUNTERMEASURES SET,AN/ALQ-117; General Characteristics Item Description: 1.375 BY 1.063 IN. O/A DIM. IN. 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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