The Retainer, cataloged under National Stock Number 6680-00-910-4266, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Retainer |
| FSC / FSG | 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments (FSG 66) |
| Manufacturers | Parker-Hannifin Corporation Dba Pneutronics (CAGE 3H889) |
| Parameter | Value |
|---|---|
| NSN | 6680-00-910-4266 |
| Primary Part Number | 2-662-77 |
| Item Name | Retainer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2-662-77 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics (USA) |
| Reference | Meaning |
|---|---|
| 2-662-77 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| 2-662-77 | 5/9 Secondary reference U.S. Government activity |
NSN 6680-00-910-4266 is a Retainer, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-910-4266 has 1 manufacturer part number on file: 2-662-77 (Parker-Hannifin Corporation Dba Pneutronics).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-331-3066. Verify interchangeability with system specifications before substitution.
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.