NSN 4210-01-362-1970 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-362-1970. Manufacturer of record part number: 77-571-1-175.
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 77-571-1-175
Manufacturer: Securiplex Llc
General Description
The Head,sprinkler,fire Protection, cataloged under National Stock Number 4210-01-362-1970, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Securiplex Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4210-01-362-1970
Primary Part Number
77-571-1-175
Item Name
Head,sprinkler,fire Protection
FSC / FSG
4210 / 42 — Firefighting Equipment
Manufacturer
Securiplex Llc
Status
ACTIVE
Opening Diameter
0.500 INCHES NOMINAL IN
Connection Thread Series
NPT
Connection Thread Location
EXTERNAL
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 4210-01-362-1970?
NSN 4210-01-362-1970 is a Head,sprinkler,fire Protection, manufactured by Securiplex Llc, classified under FSC 4210, Firefighting Equipment. Status: active.
What part numbers are listed for NSN 4210-01-362-1970?
NSN 4210-01-362-1970 has 2 manufacturer part numbers on file: 77-571-1-175 (Securiplex Llc), 8487030 (Grinnell Fire Protection).
What are the specifications of 77-571-1-175?
Key specifications for 77-571-1-175: Opening Diameter: 0.500 INCHES NOMINAL IN; Connection Thread Series: NPT; Connection Thread Location: EXTERNAL; Special Features: PENDENT SPRINKLER; YELLOW GLASS BULB; BRASS FINISH; 175 DEG F TEMP RATING DEGF. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4210-01-362-1970 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.