The Rotor Set,pump, cataloged under National Stock Number 4320-01-490-3476, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Aero International, Llc Dba Ams Engineered Solutions. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-490-3476 |
| Primary Part Number | 3503374-1 |
| Item Name | Rotor Set,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Aero International, Llc Dba Ams Engineered Solutions |
| Status | ACTIVE |
| 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 |
|---|---|
| 3503374-1 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| 3503374-1 PRIMARY | Aero International, Llc Dba Ams Engineered Solutions (USA) |
| Reference | Meaning |
|---|---|
| 3503374 | D/9 Drawing number reference only Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| 3503374-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-01-490-3476 is a Rotor Set,pump, manufactured by Aero International, Llc Dba Ams Engineered Solutions, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-490-3476 has 2 manufacturer part numbers on file: 3503374-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 3503374-1 (Aero International, Llc Dba Ams Engineered Solutions).
Key specifications for 3503374-1: Special Features: ROTOR WIDTH: 0.3695 IN. MIN. AND 0.3700 IN. MAX.; 0.3125 IN. MIN. AND 0.3130 IN. MAX. I.D.; 0.9975 IN. MIN. AND 0.9980 IN. MAX. O.D. IN; Part Name Assigned by Controlling Agency: PUMP LUBE ROTOR SET; End Item Identification: B-2 BOMBER (ATB), AAC V AND Y. 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.
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.