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NSN 4820-01-644-6324Government record, cited

Valve, Safety Relief4820-01-644-6324

NSN 4820-01-644-6324 · NIIN 016446324 · Part number 0020-E01-MG0075
Keystone Intl Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0FCV0
Government record, cited
NSN 4820-01-644-6324 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-644-6324. Manufacturer of record part number: 0020-E01-MG0075.
Also searched as  4820-01-644-6324 · 4820016446324 · NIIN 016446324 · 01-644-6324 · FSC 4820 Valves, Nonpowered · CAGE 0FCV0 · 0020-E01-MG0075
Nearby stock numbers  ·
Features
  • Valve,safety Relief — FSC 4820
  • 1 manufacturer part number on file
  • Manufacturer of record: Keystone Intl Inc
Identification
  • NSN: 4820-01-644-6324
  • NIIN: 016446324
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 0020-E01-MG0075
  • Manufacturer: Keystone Intl Inc
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-644-6324, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Keystone Intl Inc. 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
NSN4820-01-644-6324
Primary Part Number0020-E01-MG0075
Item NameValve,safety Relief
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerKeystone Intl Inc
StatusACTIVE
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
0020-E01-MG0075 PRIMARY Keystone Intl Inc (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 4820-01-644-6324?

NSN 4820-01-644-6324 is a Valve,safety Relief, manufactured by Keystone Intl Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-644-6324?

NSN 4820-01-644-6324 has 1 manufacturer part number on file: 0020-E01-MG0075 (Keystone Intl Inc).

What are the specifications of 0020-E01-MG0075?

Key specifications for 0020-E01-MG0075: Special Features: ALL BRONZE WITH PRESSURE TIGHT CAP; SUITABLE FOR MAX BACK PRESSURE OF 50 PSIG; INLET SIZE 1 INCH; SET PRESSURE 75 PSI IN; End Item Identification: VALVE,MANIFOLD, P/N 33184. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-644-6324 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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