NSN 4240-01-644-3189 · NIIN 016443189 · Part number 25645-24B24-HDF
Amron International Inc · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 6S753
Government record, cited
NSN 4240-01-644-3189 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-644-3189. Manufacturer of record part number: 25645-24B24-HDF.
Also searched as4240-01-644-3189 ·
4240016443189 ·
NIIN 016443189 ·
01-644-3189 ·
FSC 4240 Safety and Rescue Equipment · CAGE 6S753 · 25645-24B24-HDF
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 25645-24B24-HDF
Manufacturer: Amron International Inc
General Description
The Gage,pressure,dial Indicating, cataloged under National Stock Number 4240-01-644-3189, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Amron International 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
4240-01-644-3189
Primary Part Number
25645-24B24-HDF
Item Name
Gage,pressure,dial Indicating
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Amron International Inc
Status
ACTIVE
Scale Accuracy
1/4 PERCENT
Dial Size
6 INCH IN
Connection Size
1/4 IN. NPT IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 4240 — Safety and Rescue Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4240-00-001-1515
4240-00-001-1515 · Item name not on file
4240-00-001-2684
4240-00-001-2684 · Item name not on file
4240-00-006-0022
HOSE,EVACUATION
4240-00-007-4576
4240-00-007-4576 · Item name not on file
4240-00-007-8182
4240-00-007-8182 · Item name not on file
4240-00-007-8183
4240-00-007-8183 · Item name not on file
4240-00-007-8184
4240-00-007-8184 · Item name not on file
4240-00-007-8185
4240-00-007-8185 · Item name not on file
Frequently Asked Questions
What is NSN 4240-01-644-3189?
NSN 4240-01-644-3189 is a Gage,pressure,dial Indicating, manufactured by Amron International Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-644-3189?
NSN 4240-01-644-3189 has 1 manufacturer part number on file: 25645-24B24-HDF (Amron International Inc).
What are the specifications of 25645-24B24-HDF?
Key specifications for 25645-24B24-HDF: Scale Accuracy: 1/4 PERCENT; Dial Size: 6 INCH IN; Special Features: RANGE PSI 1-150, DUAL SCALE 24 - 350FSW-1FT. FT; Part Name Assigned by Controlling Agency: GAUGE, DEPTH/PRESSURE AND CAISSON. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4240-01-644-3189 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.