NSN 4820-00-005-7403 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-005-7403. Manufacturer of record part number: 383V302.
Also searched as4820-00-005-7403 ·
4820000057403 ·
NIIN 000057403 ·
00-005-7403 ·
FSC 4820 Valves, Nonpowered · CAGE 72914 · 383V302
Nearby stock numbers← 4820-00-005-7402 Sleeve, Directional Control Linea
·
4820-00-005-7404 Disk, Valve →
4820-00-005-7403 — Valves, Nonpowered
Features
Piston,valve — FSC 4820
Outside Diameter: 1.498 INCHES NOMINAL IN
Surface Treatment: PASSIVATE
Valve Design Control Activity: 72914
Material: STEEL COMP 303
1 manufacturer part number on file
Manufacturer of record: Grimes Aerospace Company
Identification
NSN: 4820-00-005-7403
NIIN: 000057403
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 383V302
Manufacturer: Grimes Aerospace Company
General Description
The Piston,valve, cataloged under National Stock Number 4820-00-005-7403, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 4820-00-005-7403?
NSN 4820-00-005-7403 is a Piston,valve, manufactured by Grimes Aerospace Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-005-7403?
NSN 4820-00-005-7403 has 1 manufacturer part number on file: 383V302 (Grimes Aerospace Company).
What are the specifications of 383V302?
Key specifications for 383V302: Outside Diameter: 1.498 INCHES NOMINAL IN; Overall Length: 1.450 INCHES NOMINAL IN; Surface Treatment: PASSIVATE; Valve Design Control Activity: 72914. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-005-7403 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.