NSN 4820-01-648-3981 · NIIN 016483981 · Part number 0421C30-1140-01
The Entwistle Company Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 20722
Government record, cited
NSN 4820-01-648-3981 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-648-3981. Manufacturer of record part number: 0421C30-1140-01.
Nearby stock numbers← 4820-01-648-3976 Sleeve, Directional Control Linea
·
4820-01-648-4183 Valve, Gate →
4820-01-648-3981 — Valves, Nonpowered
Features
Valve,flow Control — FSC 4820
1 manufacturer part number on file
Manufacturer of record: The Entwistle Company Llc
Identification
NSN: 4820-01-648-3981
NIIN: 016483981
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 0421C30-1140-01
Manufacturer: The Entwistle Company Llc
General Description
The Valve,flow Control, cataloged under National Stock Number 4820-01-648-3981, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Entwistle Company Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 4820-01-648-3981?
NSN 4820-01-648-3981 is a Valve,flow Control, manufactured by The Entwistle Company Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-648-3981?
NSN 4820-01-648-3981 has 1 manufacturer part number on file: 0421C30-1140-01 (The Entwistle Company Llc).
What are the specifications of 0421C30-1140-01?
Key specifications for 0421C30-1140-01: Part Name Assigned by Controlling Agency: MAIN VALVE; End Item Identification: R21FMSPA-FS00. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-648-3981 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.