NSN 5820-01-135-0449 · NIIN 011350449 · Part number 550050
Columbia Machine Inc · FSC 5820 — Radio and Television Communication Equipment, Except Airborne · FSG 58 — Communication, Detection, and Coherent Radiation Equipment · CAGE 34462
Government record, cited
NSN 5820-01-135-0449 — this item is cataloged by the U.S. Government under National Stock Number 5820-01-135-0449. Manufacturer of record part number: 550050.
Also searched as5820-01-135-0449 ·
5820011350449 ·
NIIN 011350449 ·
01-135-0449 ·
FSC 5820 Radio and Television Communication Equipment, Except Airborne · CAGE 34462 · 550050
FSC: 5820 — Radio and Television Communication Equipment, Except Airborne
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: 550050
Manufacturer: Columbia Machine Inc
General Description
The Module,moisture, cataloged under National Stock Number 5820-01-135-0449, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Columbia Machine Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Module,moisture
FSC / FSG
5820 — Radio and Television Communication Equipment, Except Airborne (FSG 58)
Manufacturers
Columbia Machine Inc (CAGE 34462)
Technical Specifications
Parameter
Value
NSN
5820-01-135-0449
Primary Part Number
550050
Item Name
Module,moisture
FSC / FSG
5820 / 58 — Radio and Television Communication Equipment, Except Airborne
Manufacturer
Columbia Machine Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL D — Destroy Item
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4220-01-231-9181550-050POSSIBLE MATCH
JAM NUT
Possible match (shared part number)Kirby Morgan Dive Systems Inc
5310-01-532-289555-0050POSSIBLE MATCH
WASHER,BEVEL
Possible match (shared part number)Be Wallace Products Corp
1730-01-680-64125500-50POSSIBLE MATCH
ADAPTER,SPECIAL
Possible match (shared part number)John Chadwick Corporation Dba Chadwick John Corp
NSN 5820-01-135-0449 is a Module,moisture, manufactured by Columbia Machine Inc, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
What part numbers are listed for NSN 5820-01-135-0449?
NSN 5820-01-135-0449 has 1 manufacturer part number on file: 550050 (Columbia Machine Inc).
What NSN replaces 5820-01-135-0449?
3 possible matches (shared part number, not a government interchangeability claim): 4220-01-231-9181, 5310-01-532-2895, 1730-01-680-6412. Verify interchangeability with system specifications before substitution.
Is NSN 5820-01-135-0449 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 5820-01-135-0449?
NSN 5820-01-135-0449 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.