NSN 4820-01-123-2198 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-123-2198. Manufacturer of record part number: 20400-410.
The Slide Sleeve,valve Assembly, cataloged under National Stock Number 4820-01-123-2198, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
NSN 4820-01-123-2198 is a Slide Sleeve,valve Assembly, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-123-2198?
NSN 4820-01-123-2198 has 1 manufacturer part number on file: 20400-410 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
What NSN replaces 4820-01-123-2198?
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-123-3072, 3040-01-123-5722, 4820-01-123-6915. Verify interchangeability with system specifications before substitution.
What are the specifications of 20400-410?
Key specifications for 20400-410: General Characteristics Item Description: STEEL,NITRIDING MIL-S-6709. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-123-2198 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.