The Filter and Coupling, cataloged under National Stock Number 1650-00-651-6952, 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 International Precision, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-651-6952 |
| Primary Part Number | 353391 |
| Item Name | Filter and Coupling |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | International Precision, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL ALUMINUM,2 HOLES 0.219 IN DIA,1.312 IN. C TO C DISTANCE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 353391 | International Precision, Inc (USA) |
| Reference | Meaning |
|---|---|
| 353391 | 5/9 Secondary reference U.S. Government activity |
| 353391 | 5/9 Secondary reference Air Precision Corp |
| 353391 | 5/9 Secondary reference Southwest Industrial Service, Inc Dba Southwest Industrl Services |
| 353391 | C/1 Advisory reference — outside the item-of-supply concept Tactair Fluid Controls Inc |
| 353391 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-00-651-6952 is a Filter and Coupling, manufactured by International Precision, Inc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-651-6952 has 1 manufacturer part number on file: 353391 (International Precision, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-058-2320. Verify interchangeability with system specifications before substitution.
Key specifications for 353391: General Characteristics Item Description: STEEL ALUMINUM,2 HOLES 0.219 IN DIA,1.312 IN. C TO C DISTANCE 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.
NSN 1650-00-651-6952 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.