The Pilot,seal Installi, cataloged under National Stock Number 5120-00-522-3221, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Pilot,seal Installi |
| FSC / FSG | 5120 — Hand Tools, Nonedged, Nonpowered (FSG 51) |
| Manufacturers | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (CAGE 59364) |
| Parameter | Value |
|---|---|
| NSN | 5120-00-522-3221 |
| Primary Part Number | 280022 |
| Item Name | Pilot,seal Installi |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| 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 |
|---|---|
| 280022 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 280022 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Div Aerospace - Torrance |
| 280022 | 5/9 Secondary reference U.S. Government activity |
| 280022 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 5120-00-522-3221 is a Pilot,seal Installi, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-522-3221 has 1 manufacturer part number on file: 280022 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-437-1220, 5330-01-704-9699. 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.