The Retainer,spring,valve, cataloged under National Stock Number 4820-01-169-7673, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-169-7673 |
| Primary Part Number | 20426-1310 |
| Item Name | Retainer,spring,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL; 2.860 IN. O/A LG; 3.500 IN. OD OF FIRST END; 1.375 IN. OD OF SECOND END; SOLID SHANK IN CENTER OF RETAINER; FIRST END DRILLED WITH 0.125 IN. DIA HOLE 1.620 IN. DEEP; SECOND ENTAPPED AND THREADED WITH 3/8-24 UNF-2B THD 0.875 IN. DEEP; FOR USE IN NON-POWERED VALVES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 20426-1310 PRIMARY | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
NSN 4820-01-169-7673 is a Retainer,spring,valve, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-169-7673 has 1 manufacturer part number on file: 20426-1310 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
Key specifications for 20426-1310: General Characteristics Item Description: STAINLESS STEEL; 2.860 IN. O/A LG; 3.500 IN. OD OF FIRST END; 1.375 IN. OD OF SECOND END; SOLID SHANK IN CENTER OF RETAINER; FIRST END DRILLED WITH 0.125 IN. DIA HOLE 1.620 IN. DEEP; SECOND ENTAPPED AND THREADED WITH 3/8-24 UNF-2B THD 0.875 IN. DEEP; FOR USE IN NON-POWERED VALVES IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.