The Clamp,valve Inlet Outlet, cataloged under National Stock Number 1660-00-654-0693, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-654-0693 |
| Item Name | Clamp,valve Inlet Outlet |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | ALUM PER ALCOA ALLOY NO. 13 OR NO. 43 OR SAE NO. 308 PER QQ-A-591,TY 1,3 OR 11;ANODIZE PER MIL-A-8625;1.562IN. LG BY 0.540 IN. WD BY 0.187 IN. THK O/A;1.218 IN. BODY LG BY 0.093 IN. THK;0.300 IN. RADIUS BORE,COUNTERBORE TO 0.330 IN. RADIUS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8148650 | A/1 Packaging identification reference U.S. Government activity |
| 5411B6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-00-654-0693 is a Clamp,valve Inlet Outlet, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
Key specifications for 1660-00-654-0693: General Characteristics Item Description: ALUM PER ALCOA ALLOY NO. 13 OR NO. 43 OR SAE NO. 308 PER QQ-A-591,TY 1,3 OR 11;ANODIZE PER MIL-A-8625;1.562IN. LG BY 0.540 IN. WD BY 0.187 IN. THK O/A;1.218 IN. BODY LG BY 0.093 IN. THK;0.300 IN. RADIUS BORE,COUNTERBORE TO 0.330 IN. RADIUS IN; End Item Identification: 1660-00-566-3332,VALVE,AUTOMATIC. 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 1660-00-654-0693 has DEMIL Code B. 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.