NSN 4210-00-043-5461 — this item is cataloged by the U.S. Government under National Stock Number 4210-00-043-5461. Manufacturer of record part number: 6511-6003.
Also searched as4210-00-043-5461 ·
4210000435461 ·
NIIN 000435461 ·
00-043-5461 ·
FSC 4210 Firefighting Equipment · CAGE 37562 · 6511-6003
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 6511-6003
Manufacturer: Macleod Inc
General Description
The Reducer,hose,fire Fighting, cataloged under National Stock Number 4210-00-043-5461, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Macleod Inc. Government technical data includes 3 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
4210-00-043-5461
Primary Part Number
6511-6003
Item Name
Reducer,hose,fire Fighting
FSC / FSG
4210 / 42 — Firefighting Equipment
Manufacturer
Macleod Inc
Status
ACTIVE
Nominal Overall Length
2.187 INCHES IN
Thread Class
2B ALL ENDS
Reducer Type
CONCENTRIC
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 4210-00-043-5461?
NSN 4210-00-043-5461 is a Reducer,hose,fire Fighting, manufactured by Macleod Inc, classified under FSC 4210, Firefighting Equipment. Status: active.
What part numbers are listed for NSN 4210-00-043-5461?
NSN 4210-00-043-5461 has 1 manufacturer part number on file: 6511-6003 (Macleod Inc).
What are the specifications of 6511-6003?
Key specifications for 6511-6003: Nominal Overall Length: 2.187 INCHES IN; Thread Class: 2B ALL ENDS; Reducer Type: CONCENTRIC. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4210-00-043-5461 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.