The Sump,static Source, cataloged under National Stock Number 1650-00-401-1599, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Textron Aviation Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-401-1599 |
| Primary Part Number | S1258-1 |
| Item Name | Sump,static Source |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| General Characteristics Item Description | PLASTIC,AMS 3624A,DIM.,4.900 IN. NOM O/A LG,1.620 IN. NOM OD,1.540 IN. NOM ID,BOTH ENDS ROUNDED BY 0.810 IN. RADIUS W/CENTERS LOCATED 1.000 IN. FROM THREAD RELIEF GROOVE,LEFT END THREADED WITH 7/16-20 NF CLASS 3 THREADS 0.400 IN. LG,RIGHT END THREADED WITH 1/8-27 NPT THREADS 0.380IN. LG,LEFT ID 0.190 IN. NOM DIA,RIGHTID 0.156 IN. NOM DIA A |
| 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 |
|---|---|
| S1258-1 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| S1258-1 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 1650-00-401-1599 is a Sump,static Source, manufactured by Textron Aviation Inc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-401-1599 has 1 manufacturer part number on file: S1258-1 (Textron Aviation Inc).
Key specifications for S1258-1: General Characteristics Item Description: PLASTIC,AMS 3624A,DIM.,4.900 IN. NOM O/A LG,1.620 IN. NOM OD,1.540 IN. NOM ID,BOTH ENDS ROUNDED BY 0.810 IN. RADIUS W/CENTERS LOCATED 1.000 IN. FROM THREAD RELIEF GROOVE,LEFT END THREADED WITH 7/16-20 NF CLASS 3 THREADS 0.400 IN. LG,RIGHT END THREADED WITH 1/8-27 NPT THREADS 0.380IN. LG,LEFT ID 0.190 IN. NOM DIA,RIGHTID 0.156 IN. NOM DIA A. 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.