NSN 4820-01-019-8943 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-019-8943. Manufacturer of record part number: 4701K39.
Maximum Operating Temp: 165.0 FAHRENHEIT SINGLE RESPONSE DEGF
1 manufacturer part number on file
Manufacturer of record: Mcmaster-Carr Supply Co
Identification
NSN: 4820-01-019-8943
NIIN: 010198943
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4701K39
Manufacturer: Mcmaster-Carr Supply Co
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-019-8943, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mcmaster-Carr Supply Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
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 4820-01-019-8943?
NSN 4820-01-019-8943 is a Valve,safety Relief, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-019-8943?
NSN 4820-01-019-8943 has 1 manufacturer part number on file: 4701K39 (Mcmaster-Carr Supply Co).
What are the specifications of 4701K39?
Key specifications for 4701K39: Flow Control Device: POPPET; Maximum Operating Temp: 165.0 FAHRENHEIT SINGLE RESPONSE DEGF. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-019-8943 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.