The Shaft Assembly,valve, cataloged under National Stock Number 1660-01-050-5846, 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 Airtronics, Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-050-5846 |
| Primary Part Number | 503610-1 |
| Item Name | Shaft Assembly,valve |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Airtronics, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | ARM 1EA P/N 504007 CRES 304L,SHAFT 1 EA P/N 503611 CRES 17-4PH,PASSIVATE PER QQ-P-35 TYPE III,3.349 IN. LG 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 | X |
| Part Number | Manufacturer |
|---|---|
| 503610-1 | Airtronics, Llc (USA) |
| 07215846 | Szczypski, Michael (USA) |
| 503610-1 | Mac Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| 503610-1 | 5/9 Secondary reference Thomas Instrument, Incorporated |
| 503610-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-050-5846 is a Shaft Assembly,valve, manufactured by Airtronics, Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-050-5846 has 3 manufacturer part numbers on file: 503610-1 (Airtronics, Llc), 07215846 (Szczypski, Michael), 503610-1 (Mac Aerospace Corp).
Key specifications for 503610-1: General Characteristics Item Description: ARM 1EA P/N 504007 CRES 304L,SHAFT 1 EA P/N 503611 CRES 17-4PH,PASSIVATE PER QQ-P-35 TYPE III,3.349 IN. LG IN; End Item Identification: ACFT F16A/B,VALVE P/N 503600. 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 1660-01-050-5846 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.