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NSN 4820-01-312-1829Government record, cited

Valve, Safety Relief4820-01-312-1829

NSN 4820-01-312-1829 · NIIN 013121829 · Part number CN949.900
W.w. Grainger, Inc. Div Government Sales Division · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 25795
Government record, cited
NSN 4820-01-312-1829 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-312-1829. Manufacturer of record part number: CN949.900.
Also searched as  4820-01-312-1829 · 4820013121829 · NIIN 013121829 · 01-312-1829 · FSC 4820 Valves, Nonpowered · CAGE 25795 · CN949.900
Nearby stock numbers  ·
Features
  • Valve,safety Relief — FSC 4820
  • Flow Control Device: DISK
  • Opening Pressure Setting: 150.0 POUNDS PER SQUARE INCH LBS
  • Valve Operation Method: AUTOMATIC
  • 1 manufacturer part number on file
  • Manufacturer of record: W.w. Grainger, Inc. Div Government Sales Division
Identification
  • NSN: 4820-01-312-1829
  • NIIN: 013121829
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: CN949.900
  • Manufacturer: W.w. Grainger, Inc. Div Government Sales Division
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-312-1829, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. 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
ParameterValue
NSN4820-01-312-1829
Primary Part NumberCN949.900
Item NameValve,safety Relief
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerW.w. Grainger, Inc. Div Government Sales Division
StatusACTIVE
Flow Control DeviceDISK
Opening Pressure Setting150.0 POUNDS PER SQUARE INCH LBS
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
CN949.900 PRIMARY W.w. Grainger, Inc. Div Government Sales Division (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
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 4820-01-312-1829?

NSN 4820-01-312-1829 is a Valve,safety Relief, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-312-1829?

NSN 4820-01-312-1829 has 1 manufacturer part number on file: CN949.900 (W.w. Grainger, Inc. Div Government Sales Division).

What are the specifications of CN949.900?

Key specifications for CN949.900: Flow Control Device: DISK; Opening Pressure Setting: 150.0 POUNDS PER SQUARE INCH LBS; Valve Operation Method: AUTOMATIC. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-312-1829 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.
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