NSN 4520-01-549-4150 · NIIN 015494150 · Part number N68G-8-18-16-L-SS-440
Itw Food Equipment Group Llc Dba Gaylord Industries · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 09051
Government record, cited
NSN 4520-01-549-4150 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-549-4150. Manufacturer of record part number: N68G-8-18-16-L-SS-440.
Also searched as4520-01-549-4150 ·
4520015494150 ·
NIIN 015494150 ·
01-549-4150 ·
FSC 4520 Space and Water Heating Equipment · CAGE 09051 · N68G-8-18-16-L-SS-440 · N-2131 REV D
Manufacturer of record: Itw Food Equipment Group Llc Dba Gaylord Industries
Identification
NSN: 4520-01-549-4150
NIIN: 015494150
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: N68G-8-18-16-L-SS-440
Manufacturer: Itw Food Equipment Group Llc Dba Gaylord Industries
General Description
The Damper,flue, cataloged under National Stock Number 4520-01-549-4150, 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 Itw Food Equipment Group Llc Dba Gaylord Industries. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
Damper,flue
FSC / FSG
4520 — Space and Water Heating Equipment (FSG 45)
Manufacturers
Itw Food Equipment Group Llc Dba Gaylord Industries (CAGE 09051)
Technical Specifications
Parameter
Value
NSN
4520-01-549-4150
Primary Part Number
N68G-8-18-16-L-SS-440
Item Name
Damper,flue
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Manufacturer
Itw Food Equipment Group Llc Dba Gaylord Industries
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4520-01-549-4166N68G-15-16-16-R-SS-440POSSIBLE MATCH
DAMPER,FLUE
Possible match (shared part number)Itw Food Equipment Group Llc Dba Gaylord Industries
4520-01-549-4167N68G-8-24-16-R-SS-440POSSIBLE MATCH
DAMPER,FLUE
Possible match (shared part number)Itw Food Equipment Group Llc Dba Gaylord Industries
4520-01-549-4172N68G-20-18-16-R-SS-440POSSIBLE MATCH
DAMPER,FLUE
Possible match (shared part number)Itw Food Equipment Group Llc Dba Gaylord Industries
4520-01-550-2118N68G-8-18-16-R-SS-440POSSIBLE MATCH
DAMPER,FLUE
Possible match (shared part number)Itw Food Equipment Group Llc Dba Gaylord Industries
Itw Food Equipment Group Llc Dba Gaylord Industries (USA)
Reference documents
Reference
Meaning
N-2131 REV D
5/1Secondary reference
Itw Food Equipment Group Llc Dba Gaylord Industries
Related Parts
4520-01-549-4166POSSIBLE MATCH
DAMPER,FLUE
N68G-15-16-16-R-SS-440
4520-01-549-4167POSSIBLE MATCH
DAMPER,FLUE
N68G-8-24-16-R-SS-440
4520-01-549-4172POSSIBLE MATCH
DAMPER,FLUE
N68G-20-18-16-R-SS-440
4520-01-550-2118POSSIBLE MATCH
DAMPER,FLUE
N68G-8-18-16-R-SS-440
Frequently Asked Questions
What is NSN 4520-01-549-4150?
NSN 4520-01-549-4150 is a Damper,flue, manufactured by Itw Food Equipment Group Llc Dba Gaylord Industries, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-549-4150?
NSN 4520-01-549-4150 has 1 manufacturer part number on file: N68G-8-18-16-L-SS-440 (Itw Food Equipment Group Llc Dba Gaylord Industries).
What NSN replaces 4520-01-549-4150?
4 possible matches (shared part number, not a government interchangeability claim): 4520-01-549-4166, 4520-01-549-4167, 4520-01-549-4172. Verify interchangeability with system specifications before substitution.
Is NSN 4520-01-549-4150 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.