The Collet,lower, cataloged under National Stock Number 1660-00-018-0630, 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 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1660-00-018-0630 |
| Item Name | Collet,lower |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| FSC Application Data | SURVIVAL KIT CONTAINER,AIRCRAFT SEAT |
| General Characteristics Item Description | STEEL,AMS5643,17&4PH,COND A,1.770 IN. LG,0.541 IN. MIN 0.543 IN. MAX OD,0.139 IN. MIN 0.145 IN. MAX DIA 0.590 IN. DEEP,3 HOLES EQUALLY SPACED 0.158 IN. MIN 0.164 IN. MAX DIA,HEAT TREAT TO COND H900 PER MIL&H&6875,PASSIVATE PER MIL&S&5002 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 782161-1 | 5/9 Secondary reference American Safety Flight Systems Inc |
| 8148650 | A/1 Packaging identification reference U.S. Government activity |
| 782161-1 | 3/9 Design control — primary reference Conax Florida Corporation |
NSN 1660-00-018-0630 is a Collet,lower, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1560-00-768-2203. Verify interchangeability with system specifications before substitution.
Key specifications for 1660-00-018-0630: FSC Application Data: SURVIVAL KIT CONTAINER,AIRCRAFT SEAT; General Characteristics Item Description: STEEL,AMS5643,17&4PH,COND A,1.770 IN. LG,0.541 IN. MIN 0.543 IN. MAX OD,0.139 IN. MIN 0.145 IN. MAX DIA 0.590 IN. DEEP,3 HOLES EQUALLY SPACED 0.158 IN. MIN 0.164 IN. MAX DIA,HEAT TREAT TO COND H900 PER MIL&H&6875,PASSIVATE PER MIL&S&5002 IN. 2 specifications are 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.