The Flange,female, cataloged under National Stock Number 1660-01-243-7817, 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 Eaton Corporation Div Fed. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-243-7817 |
| Primary Part Number | 20081-500F |
| Item Name | Flange,female |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Eaton Corporation Div Fed |
| Status | ACTIVE |
| FSC Application Data | ENVIRONMENTAL CONTROL SYSTEM |
| General Characteristics Item Description | NICKLE ALLOY 625; 0.860 IN. LG; O.D. 5.510 IN.; WEIGHT 0.280 LBS. LBS |
| 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 |
|---|---|
| 20081-500F PRIMARY | Eaton Corporation Div Fed (USA) |
| Reference | Meaning |
|---|---|
| 2710-500F | 5/9 Secondary reference Eaton Corporation Div Fed |
NSN 1660-01-243-7817 is a Flange,female, manufactured by Eaton Corporation Div Fed, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-243-7817 has 1 manufacturer part number on file: 20081-500F (Eaton Corporation Div Fed).
Key specifications for 20081-500F: FSC Application Data: ENVIRONMENTAL CONTROL SYSTEM; General Characteristics Item Description: NICKLE ALLOY 625; 0.860 IN. LG; O.D. 5.510 IN.; WEIGHT 0.280 LBS. LBS; End Item Identification: B-1B AIRCRAFT. 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.