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NSN 4820-01-370-7690Government record, cited

Piston, Valve4820-01-370-7690

NSN 4820-01-370-7690 · NIIN 013707690 · Part number 20773-1030
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 78062
Government record, cited
NSN 4820-01-370-7690 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-370-7690. Manufacturer of record part number: 20773-1030.
Also searched as  4820-01-370-7690 · 4820013707690 · NIIN 013707690 · 01-370-7690 · FSC 4820 Valves, Nonpowered · CAGE 78062 · 20773-1030
Nearby stock numbers  ·
Features
  • Piston,valve — FSC 4820
  • Valve Size for Which Designed: 1.000 INCHES IN
  • Valve Design Control Activity: 78062
  • Material: STEEL COMP 416
  • 1 manufacturer part number on file
  • Manufacturer of record: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Identification
  • NSN: 4820-01-370-7690
  • NIIN: 013707690
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 20773-1030
  • Manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-370-7690, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. 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
NSN4820-01-370-7690
Primary Part Number20773-1030
Item NamePiston,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Valve Size for Which Designed1.000 INCHES IN
Valve Design Control Activity78062
MaterialSTEEL COMP 416
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
20773-1030 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (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 4820-01-370-7690?

NSN 4820-01-370-7690 is a Piston,valve, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-370-7690?

NSN 4820-01-370-7690 has 1 manufacturer part number on file: 20773-1030 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What are the specifications of 20773-1030?

Key specifications for 20773-1030: Valve Size for Which Designed: 1.000 INCHES IN; Valve Design Control Activity: 78062; Material: STEEL COMP 416. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-370-7690 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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