NSN 4520-00-217-7329 · NIIN 002177329 · Part number 41900
L3harris Technologies, Inc Div Space & Airborne Systems · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 24930
Government record, cited
NSN 4520-00-217-7329 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-217-7329. Manufacturer of record part number: 41900.
Also searched as4520-00-217-7329 ·
4520002177329 ·
NIIN 002177329 ·
00-217-7329 ·
FSC 4520 Space and Water Heating Equipment · CAGE 24930 · 41900
Manufacturer of record: L3harris Technologies, Inc Div Space & Airborne Systems
Identification
NSN: 4520-00-217-7329
NIIN: 002177329
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 41900
Manufacturer: L3harris Technologies, Inc Div Space & Airborne Systems
General Description
The Duct Assembly,fle,i, cataloged under National Stock Number 4520-00-217-7329, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 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
Duct Assembly,fle,i
FSC / FSG
4520 — Space and Water Heating Equipment (FSG 45)
Manufacturers
L3harris Technologies, Inc Div Space & Airborne Systems (CAGE 24930)
Technical Specifications
Parameter
Value
NSN
4520-00-217-7329
Primary Part Number
41900
Item Name
Duct Assembly,fle,i
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Manufacturer
L3harris Technologies, Inc Div Space & Airborne Systems
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5915-01-071-1923HY364-4G1POSSIBLE MATCH
NETWORK,CIRCUIT PROTECTION
Possible match (shared part number)Dsk Engineering and Technology Inc
5940-01-219-193041-900POSSIBLE MATCH
TERMINAL,FEEDTHRU
Possible match (shared part number)U S Terminals Inc
5340-01-321-034241900POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Fleet Readiness Center East Div Department of Navy
6680-01-395-837841900POSSIBLE MATCH
TRANSMITTER,LIQUID QUANTITY
Possible match (shared part number)Setra Systems, Inc. Dba Gems Sensors
L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5915-01-071-1923POSSIBLE MATCH
NETWORK,CIRCUIT PROTECTION
HY364-4G1
5940-01-219-1930POSSIBLE MATCH
TERMINAL,FEEDTHRU
41-900
5340-01-321-0342POSSIBLE MATCH
BRACKET,MOUNTING
41900
6680-01-395-8378POSSIBLE MATCH
TRANSMITTER,LIQUID QUANTITY
41900
5325-01-617-0290POSSIBLE MATCH
RING,RETAINING
5717142
Frequently Asked Questions
What is NSN 4520-00-217-7329?
NSN 4520-00-217-7329 is a Duct Assembly,fle,i, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-00-217-7329?
NSN 4520-00-217-7329 has 1 manufacturer part number on file: 41900 (L3harris Technologies, Inc Div Space & Airborne Systems).
What NSN replaces 4520-00-217-7329?
5 possible matches (shared part number, not a government interchangeability claim): 5915-01-071-1923, 5940-01-219-1930, 5340-01-321-0342. Verify interchangeability with system specifications before substitution.
Is NSN 4520-00-217-7329 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.