The Block,guck,disconnect, cataloged under National Stock Number 1680-01-528-3347, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-528-3347 |
| Item Name | Block,guck,disconnect |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| 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 |
| Reference | Meaning |
|---|---|
| 2227000F101-151 | 3/2 Design control — primary reference U.S. Government activity |
| 2227000F101-151 | 5/9 Secondary reference U.S. Government activity |
| 2227000F101-151 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
NSN 1680-01-528-3347 is a Block,guck,disconnect, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-01-528-3347: Overall Height: 2.500 INCHES NOMINAL IN; Overall Length: 4.00 INCHES NOMINAL IN; Overall Width: 2.250 INCHES NOMINAL IN; Special Features: 4 PORT QUICK DISCONNECT TEST BLOCK WITH 2 INLETS AND 2 OUTLETS. 0 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.
NSN 1680-01-528-3347 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.