NSN 4820-01-598-8958 · NIIN 015988958 · Part number 377969-4
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 10001
Government record, cited
NSN 4820-01-598-8958 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-598-8958. Manufacturer of record part number: 377969-4.
Also searched as4820-01-598-8958 ·
4820015988958 ·
NIIN 015988958 ·
01-598-8958 ·
FSC 4820 Valves, Nonpowered · CAGE 10001 · 377969-4
Manufacturer of record: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Identification
NSN: 4820-01-598-8958
NIIN: 015988958
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 377969-4
Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description
The Retainer,seat,valve, cataloged under National Stock Number 4820-01-598-8958, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-598-8958
Primary Part Number
377969-4
Item Name
Retainer,seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (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 4820-01-598-8958?
NSN 4820-01-598-8958 is a Retainer,seat,valve, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-598-8958?
NSN 4820-01-598-8958 has 1 manufacturer part number on file: 377969-4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
What are the specifications of 377969-4?
Key specifications for 377969-4: Outside Diameter: 0.375 INCHES NOMINAL IN; Overall Length: 0.312 INCHES NOMINAL IN; Nominal Thread Size: 0.312 INCHES IN; Inside Diameter: 0.190 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-598-8958 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.