NSN 4820-01-085-1823 · NIIN 010851823 · Part number D1729
Aalberts Integrated Piping Systems Americas, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 72219
Government record, cited
NSN 4820-01-085-1823 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-085-1823. Manufacturer of record part number: D1729.
Manufacturer of record: Aalberts Integrated Piping Systems Americas, Inc.
Identification
NSN: 4820-01-085-1823
NIIN: 010851823
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: D1729
Manufacturer: Aalberts Integrated Piping Systems Americas, Inc.
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-085-1823, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aalberts Integrated Piping Systems Americas, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 4820-01-085-1823?
NSN 4820-01-085-1823 is a Seat,valve, manufactured by Aalberts Integrated Piping Systems Americas, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-085-1823?
NSN 4820-01-085-1823 has 2 manufacturer part numbers on file: D1729 (Aalberts Integrated Piping Systems Americas, Inc.), 1CB7 (Oshkosh Defense Llc).
What are the specifications of D1729?
Key specifications for D1729: Body Outside Diameter: 0.800 INCHES NOMINAL IN; Body Inside Diameter: 0.380 INCHES NOMINAL IN; Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Seating Surface Shape: FLAT. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-085-1823 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.