NSN 4820-01-691-9540 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-691-9540. Manufacturer of record part number: 21B3ET-SWO-200.
Also searched as4820-01-691-9540 ·
4820016919540 ·
NIIN 016919540 ·
01-691-9540 ·
FSC 4820 Valves, Nonpowered · CAGE 5PC96 · 21B3ET-SWO-200
The Valve,ball, cataloged under National Stock Number 4820-01-691-9540, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Alloy Valves & Control, Inc. Dba Alloy Valves & Controls. Government technical data includes 5 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
4820-01-691-9540
Primary Part Number
21B3ET-SWO-200
Item Name
Valve,ball
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Alloy Valves & Control, Inc. Dba Alloy Valves & Controls
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 4820-01-691-9540?
NSN 4820-01-691-9540 is a Valve,ball, manufactured by Alloy Valves & Control, Inc. Dba Alloy Valves & Controls, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-691-9540?
NSN 4820-01-691-9540 has 1 manufacturer part number on file: 21B3ET-SWO-200 (Alloy Valves & Control, Inc. Dba Alloy Valves & Controls).
What are the specifications of 21B3ET-SWO-200?
Key specifications for 21B3ET-SWO-200: Connection Style: SOCKET ALL ENDS; Valve Size: 2.00 INCHES IN; Special Features: 2 INCH BALL VALVE,2100 SERIES 3 PIECE FULL PORT HIGH PURITY BRONZE BALL VALVE,316L FULL PORT BALL,316SS STEM,TFM SEATS,TFE STEM PACKING,A TFE THRUST WASHER,TFE SEALS,SOCKET WELD OD ENDS,BARE STEM; IN; Material: BRONZE BODY. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-691-9540 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.