NSN 4820-01-486-9565 · NIIN 014869565 · Part number 9810-21-1197-50
The Entwistle Company Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 20722
Government record, cited
NSN 4820-01-486-9565 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-486-9565. Manufacturer of record part number: 9810-21-1197-50.
Nearby stock numbers← 4820-01-486-9564 Valve, Flow Control
·
4820-01-486-9567 Valve, Flow Control →
4820-01-486-9565 — Valves, Nonpowered
Features
Valve,check — FSC 4820
FSC Application Data: NHA PNEUMATIC SYSTEM
Material: COPPER ALLOY OVERALL
2 manufacturer part numbers on file
Manufacturer of record: The Entwistle Company Llc
Identification
NSN: 4820-01-486-9565
NIIN: 014869565
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 9810-21-1197-50
Manufacturer: The Entwistle Company Llc
General Description
The Valve,check, cataloged under National Stock Number 4820-01-486-9565, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Entwistle Company Llc. Government technical data includes 2 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 4820-01-486-9565?
NSN 4820-01-486-9565 is a Valve,check, manufactured by The Entwistle Company Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-486-9565?
NSN 4820-01-486-9565 has 2 manufacturer part numbers on file: 46105K31 (Mcmaster-Carr Supply Co), 9810-21-1197-50 (The Entwistle Company Llc).
What are the specifications of 9810-21-1197-50?
Key specifications for 9810-21-1197-50: FSC Application Data: NHA PNEUMATIC SYSTEM; Special Features: METAL TO METAL SEAT, 1/8 INCH NPT MALE IN; Part Name Assigned by Controlling Agency: COMPACT BALL-CHECK VALVE; End Item Identification: FLUSH CAPPING SYSTEM MIXER. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-486-9565 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.