NSN 4210-01-256-9825 · NIIN 012569825 · Part number 6409T32
Mcmaster-Carr Supply Co · FSC 4210 — Firefighting Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 39428
Government record, cited
NSN 4210-01-256-9825 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-256-9825. Manufacturer of record part number: 6409T32.
Also searched as4210-01-256-9825 ·
4210012569825 ·
NIIN 012569825 ·
01-256-9825 ·
FSC 4210 Firefighting Equipment · CAGE 39428 · 6409T32
Nearby stock numbers← 4210-01-256-9152 Rack, Fire Hose
·
4210-01-257-0850 Tester, Fire Hose →
Features
Head,sprinkler,fire Protection — FSC 4210
Head Type: SPRINKLER
Flow Capacity at Specified Pressure Rating: 5.7 GAL PER MIN AT 175 PSI
Connection Thread Size: 1/2IN.-14 IN
Connection Thread Series: NPT
Connection Thread Location: EXTERNAL
Material: COPPER ALLOY
1 manufacturer part number on file
Identification
NSN: 4210-01-256-9825
NIIN: 012569825
FSC: 4210 — Firefighting Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 6409T32
Manufacturer: Mcmaster-Carr Supply Co
General Description
The Head,sprinkler,fire Protection, cataloged under National Stock Number 4210-01-256-9825, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 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
4210-01-256-9825
Primary Part Number
6409T32
Item Name
Head,sprinkler,fire Protection
FSC / FSG
4210 / 42 — Firefighting Equipment
Manufacturer
Mcmaster-Carr Supply Co
Status
ACTIVE
Head Type
SPRINKLER
Flow Capacity at Specified Pressure Rating
5.7 GAL PER MIN AT 175 PSI
Connection Thread Size
1/2IN.-14 IN
Connection Thread Series
NPT
Connection Thread Location
EXTERNAL
Material
COPPER ALLOY
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 4210-01-256-9825?
NSN 4210-01-256-9825 is a Head,sprinkler,fire Protection, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4210, Firefighting Equipment. Status: active.
What part numbers are listed for NSN 4210-01-256-9825?
NSN 4210-01-256-9825 has 1 manufacturer part number on file: 6409T32 (Mcmaster-Carr Supply Co).
What are the specifications of 6409T32?
Key specifications for 6409T32: Head Type: SPRINKLER; Flow Capacity at Specified Pressure Rating: 5.7 GAL PER MIN AT 175 PSI; Connection Thread Size: 1/2IN.-14 IN; Connection Thread Series: NPT. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4210-01-256-9825 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.