The Plate,diaphragm Retaining, cataloged under National Stock Number 1660-00-159-7334, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-00-159-7334 |
| Primary Part Number | 975604-1 |
| Item Name | Plate,diaphragm Retaining |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CORROSION-RESISTANT,COMPOSITION 18-8,0.035 IN. MIN,0.055 IN.MAX,THK,0.105 IN. MIN,0.115 IN. MAX O/A H,0.525 IN. MIN,0.535 IN. MAXOUTSIDE DIA,FINISH OUTSIDE SURFACE 125 MICROINCH,INSIDE SURFACE 250MICROINCH FINISH 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 |
|---|---|
| 975604-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 975604-1 | 5/9 Secondary reference U.S. Government activity |
NSN 1660-00-159-7334 is a Plate,diaphragm Retaining, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-159-7334 has 1 manufacturer part number on file: 975604-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 975604-1: General Characteristics Item Description: STEEL,CORROSION-RESISTANT,COMPOSITION 18-8,0.035 IN. MIN,0.055 IN.MAX,THK,0.105 IN. MIN,0.115 IN. MAX O/A H,0.525 IN. MIN,0.535 IN. MAXOUTSIDE DIA,FINISH OUTSIDE SURFACE 125 MICROINCH,INSIDE SURFACE 250MICROINCH FINISH 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.