NSN 4820-00-103-8291 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-103-8291. Manufacturer of record part number: 146-00120.
Also searched as4820-00-103-8291 ·
4820001038291 ·
NIIN 001038291 ·
00-103-8291 ·
FSC 4820 Valves, Nonpowered · CAGE 26505 · 146-00120
Body Inside Diameter: 0.257 INCHES MINIMUM AND 0.259 INCHES MAXIMUM IN
Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Seat Angle in Deg: 45.000 NOMINAL
Seating Surface Shape: ANGULAR
1 manufacturer part number on file
Identification
NSN: 4820-00-103-8291
NIIN: 001038291
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 146-00120
Manufacturer: Grove Valve Operations
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-103-8291, 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 6 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.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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4820-00-001-0021 · Item name not on file
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4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-00-103-8291?
NSN 4820-00-103-8291 is a Seat,valve, manufactured by Grove Valve Operations, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-103-8291?
NSN 4820-00-103-8291 has 1 manufacturer part number on file: 146-00120 (Grove Valve Operations).
What are the specifications of 146-00120?
Key specifications for 146-00120: Overall Height: 0.100 INCHES NOMINAL IN; Body Outside Diameter: 0.624 INCHES NOMINAL IN; Style Designator: PLAIN; Body Inside Diameter: 0.257 INCHES MINIMUM AND 0.259 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-103-8291 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.