NSN 4820-00-024-1389 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-024-1389. Manufacturer of record part number: 234134.
Flange Seat to Disk End Height: 0.290 INCHES NOMINAL IN
Flange Diameter: 1.062 INCHES NOMINAL IN
Body Outside Diameter: 0.875 INCHES NOMINAL IN
Body Stepped Inside Diameter: 0.500 INCHES NOMINAL FIRST STEP IN
Body Stepped Inside Diameter: 0.750 INCHES NOMINAL SECOND STEP IN
Style Designator: PLAIN FLANGED
Under Flange Height: 0.192 INCHES NOMINAL IN
Identification
NSN: 4820-00-024-1389
NIIN: 000241389
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 234134
Manufacturer: Grove Valve Operations
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-024-1389, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grove Valve Operations. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 4820-00-024-1389?
NSN 4820-00-024-1389 is a Seat,valve, manufactured by Grove Valve Operations, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-024-1389?
NSN 4820-00-024-1389 has 2 manufacturer part numbers on file: 234134 (Grove Valve Operations), 234120 (Grove Valve Operations).
What are the specifications of 234134?
Key specifications for 234134: Flange Seat to Disk End Height: 0.290 INCHES NOMINAL IN; Flange Diameter: 1.062 INCHES NOMINAL IN; Body Outside Diameter: 0.875 INCHES NOMINAL IN; Body Stepped Inside Diameter: 0.500 INCHES NOMINAL FIRST STEP IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-024-1389 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.