The Arm,reaction, cataloged under National Stock Number 4330-01-388-0587, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Unex Corp Div Hytorc Division Unex Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-388-0587 |
| Primary Part Number | SW91-2 |
| Item Name | Arm,reaction |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Unex Corp Div Hytorc Division Unex Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY MATERIAL, ALLOY 7075 T6; INTERRNAL INVOLUTE SPLINE,FLAT ROOT SIDE FIT C67,16-32P. 30 DEG PA.30Y; P/O SWING VALVE |
| 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 |
|---|---|
| SW91-2 PRIMARY | Unex Corp Div Hytorc Division Unex Corporation (USA) |
| Reference | Meaning |
|---|---|
| SW91-2 | 5/9 Secondary reference Titan Technologies International Inc |
| ULC-30SW | 5/9 Secondary reference Titan Technologies International Inc |
NSN 4330-01-388-0587 is a Arm,reaction, manufactured by Unex Corp Div Hytorc Division Unex Corporation, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-388-0587 has 1 manufacturer part number on file: SW91-2 (Unex Corp Div Hytorc Division Unex Corporation).
Key specifications for SW91-2: General Characteristics Item Description: ALUMINUM ALLOY MATERIAL, ALLOY 7075 T6; INTERRNAL INVOLUTE SPLINE,FLAT ROOT SIDE FIT C67,16-32P. 30 DEG PA.30Y; P/O SWING VALVE; End Item Identification: HYTORC FEED PUMP. 1 specification is 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.