NSN 4820-01-267-4076 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-267-4076. Manufacturer of record part number: 1815.
Also searched as4820-01-267-4076 ·
4820012674076 ·
NIIN 012674076 ·
01-267-4076 ·
FSC 4820 Valves, Nonpowered · CAGE 38056 · 1815
Operating Pressure: 173.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
1 manufacturer part number on file
Manufacturer of record: Ashcroft Inc Dba Heise
Identification
NSN: 4820-01-267-4076
NIIN: 012674076
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1815
Manufacturer: Ashcroft Inc Dba Heise
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-267-4076, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 1 specification, 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
4820-01-267-4076
Primary Part Number
1815
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Ashcroft Inc Dba Heise
Status
ACTIVE
Operating Pressure
173.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-267-4076?
NSN 4820-01-267-4076 is a Valve,safety Relief, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-267-4076?
NSN 4820-01-267-4076 has 1 manufacturer part number on file: 1815 (Ashcroft Inc Dba Heise).
What are the specifications of 1815?
Key specifications for 1815: Operating Pressure: 173.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-267-4076 hazardous material?
No hazard code in the DLA record (HMIC N). 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.