The Pump,rotary, cataloged under National Stock Number 4320-01-535-2401, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-535-2401 |
| Primary Part Number | 1021341 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| 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 |
|---|---|
| V10F-6S2T-12B4D20-L | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 1021341 PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| Reference | Meaning |
|---|---|
| V10F-6S2S-12B4D 20-L | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
NSN 4320-01-535-2401 is a Pump,rotary, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-535-2401 has 2 manufacturer part numbers on file: V10F-6S2T-12B4D20-L (Eaton Aerospace, Llc Dba Jackson South), 1021341 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
Key specifications for 1021341: Special Features: PUMP PART NUMBER BREAKDOWN: V=VANE PUMP; 10=SERIES; F=FLOW CONTROL AND RELIEF INTEGRAL VALVE; 6=2-BOLT SAE B FLANGE MOUNTING; S=1-5/16 STR. THD. INLET PORT CONNECTION; 2=GPM SAE RATED CAPACITY; S=3/4-16 STR. THD. OUTLET PORT CONNECTION; 12=13T SAE B SPLINED SHAFT; B=90 DEG CCW FROM INLET (POSITION OF OUTLET OR PRIMARY OUTLET) 4D=4 GPM, D 1000PSI (INTEGRAL VALVING) 20=DESIGN; L=SHAFT ROTATION LEFT HAND CCW; Part Name Assigned by Controlling Agency: VANE PUMP; End Item Identification: WATERJET - MODEL TDJ140. 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.