Disk, Valve 4820-01-169-0639 NSN 4820-01-169-0639 · NIIN 011690639 · Part number B-9DS-43
Swagelok Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 3T9T9
NSN 4820-01-169-0639 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-169-0639. Manufacturer of record part number: B-9DS-43 .
Also searched as
4820-01-169-0639 ·
4820011690639 ·
NIIN 011690639 ·
01-169-0639 ·
FSC 4820 Valves, Nonpowered · CAGE 3T9T9 · B-9DS-43
Nearby stock numbers
← 4820-01-169-0610 Cartridge, Valve
·
4820-01-169-0885 →
4820-01-169-0639 — Valves, Nonpowered
Features
Disk,valve — FSC 4820 Outside Diameter: 0.250 INCHES NOMINAL IN Style Designator: SOLID Material: COPPER ALLOY 1 manufacturer part number on file Manufacturer of record: Swagelok Co
Identification
NSN: 4820-01-169-0639
NIIN: 011690639
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: B-9DS-43
Manufacturer: Swagelok Co
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-169-0639, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter Value NSN 4820-01-169-0639 Primary Part Number B-9DS-43 Item Name Disk,valve FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Swagelok Co Status ACTIVE Outside Diameter 0.250 INCHES NOMINAL IN Style Designator SOLID Material COPPER ALLOY
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N) Criticality Code X
Cross-Reference Index
Part Number Manufacturer
B-9DS-43 PRIMARY Swagelok Co (USA)
Reference documents
Reference Meaning
B-9DS-43
5/9 Secondary reference Whitey Co
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
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 4820-01-169-0639?
NSN 4820-01-169-0639 is a Disk,valve, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-169-0639?
NSN 4820-01-169-0639 has 1 manufacturer part number on file: B-9DS-43 (Swagelok Co).
What are the specifications of B-9DS-43?
Key specifications for B-9DS-43: Overall Height: 0.080 INCHES NOMINAL IN; Outside Diameter: 0.250 INCHES NOMINAL IN; Style Designator: SOLID; Material: COPPER ALLOY. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-169-0639 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.
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