NSN 4240-01-505-4763 · NIIN 015054763 · Part number DHH12BEN9A44F
Tescom Corp Dba Tescom Div Tescom · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 13669
Government record, cited
NSN 4240-01-505-4763 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-505-4763. Manufacturer of record part number: DHH12BEN9A44F.
Also searched as4240-01-505-4763 ·
4240015054763 ·
NIIN 015054763 ·
01-505-4763 ·
FSC 4240 Safety and Rescue Equipment · CAGE 13669 · DHH12BEN9A44F
Nearby stock numbers← 4240-01-505-4760 Regulator, Breathing Gas Pressure
·
4240-01-505-6654 Test Kit, Fit, Respirator →
Features
Regulator,breathing Gas Pressure — FSC 4240
Overall Diameter: 3.980 INCHES NOMINAL IN
Inlet Connection Size: 1/4 IN. NPT IN
1 manufacturer part number on file
Manufacturer of record: Tescom Corp Dba Tescom Div Tescom
Identification
NSN: 4240-01-505-4763
NIIN: 015054763
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: DHH12BEN9A44F
Manufacturer: Tescom Corp Dba Tescom Div Tescom
General Description
The Regulator,breathing Gas Pressure, cataloged under National Stock Number 4240-01-505-4763, 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 Tescom Corp Dba Tescom Div Tescom. Government technical data includes 2 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
4240-01-505-4763
Primary Part Number
DHH12BEN9A44F
Item Name
Regulator,breathing Gas Pressure
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Tescom Corp Dba Tescom Div Tescom
Status
ACTIVE
Overall Diameter
3.980 INCHES NOMINAL IN
Inlet 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 4240-01-505-4763?
NSN 4240-01-505-4763 is a Regulator,breathing Gas Pressure, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-505-4763?
NSN 4240-01-505-4763 has 1 manufacturer part number on file: DHH12BEN9A44F (Tescom Corp Dba Tescom Div Tescom).
What are the specifications of DHH12BEN9A44F?
Key specifications for DHH12BEN9A44F: Overall Height: 7.540 INCHES MINIMUM AND 7.820 INCHES MAXIMUM IN; Overall Diameter: 3.980 INCHES NOMINAL IN; Special Features: SPRING LOADED HANDKNOB; BODY, BONNET, BACKUP MATERIAL BRASS; OUTLET PRESSURE - 0 TO 100 PSIG; O RING AND VALVE SEAT MATERIAL - BUNA N; DIAPHRAGM MATERIAL - ETHYLENE PROPYLENA/NYLON REINFORCED; Inlet Connection Size: 1/4 IN. NPT IN. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4240-01-505-4763 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.