NSN 4210-01-557-0052 · NIIN 015570052 · Part number 20540011
Chemetron Fire Systems · FSC 4210 — Firefighting Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 1CSX7
Government record, cited
NSN 4210-01-557-0052 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-557-0052. Manufacturer of record part number: 20540011.
Also searched as4210-01-557-0052 ·
4210015570052 ·
NIIN 015570052 ·
01-557-0052 ·
FSC 4210 Firefighting Equipment · CAGE 1CSX7 · 20540011
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 20540011
Manufacturer: Chemetron Fire Systems
General Description
The Nitrogen Regulator, cataloged under National Stock Number 4210-01-557-0052, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Chemetron Fire Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4210-01-557-0052
Primary Part Number
20540011
Item Name
Nitrogen Regulator
FSC / FSG
4210 / 42 — Firefighting Equipment
Manufacturer
Chemetron Fire Systems
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4210-00-001-3525
CYLINDER ASSEMBLY,LIQUID
4210-00-001-3526
CYLINDER ASSEMBLY,LIQUID
4210-00-003-6976
4210-00-003-6976 · Item name not on file
4210-00-004-8316
NOZZLE,FIRE EQUIPMENT
4210-00-005-1080
4210-00-005-1080 · Item name not on file
4210-00-005-7152
4210-00-005-7152 · Item name not on file
4210-00-005-7684
4210-00-005-7684 · Item name not on file
4210-00-006-6244
4210-00-006-6244 · Item name not on file
Frequently Asked Questions
What is NSN 4210-01-557-0052?
NSN 4210-01-557-0052 is a Nitrogen Regulator, manufactured by Chemetron Fire Systems, classified under FSC 4210, Firefighting Equipment. Status: active.
What part numbers are listed for NSN 4210-01-557-0052?
NSN 4210-01-557-0052 has 1 manufacturer part number on file: 20540011 (Chemetron Fire Systems).
What are the specifications of 20540011?
Key specifications for 20540011: Part Name Assigned by Controlling Agency: PRIMARY NITROGEN REGULATOR; End Item Identification: FIRE PROTECTION SYSTEM, P/N 10540059 ONBOARD 75 FT WLIC CLASS COAST GUARD VESSELS FT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4210-01-557-0052 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.
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.