The Block Valve,hydraulic Pump, cataloged under National Stock Number 4320-01-124-8892, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-124-8892 |
| Primary Part Number | 845949 |
| Item Name | Block Valve,hydraulic Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| General Characteristics Item Description | DUCTILE IRON,MIL-I-24137,CL A |
| 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 |
|---|---|
| 845949 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 845946 PIECE 14 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| 845946 ITEM 14 | C/1 Advisory reference — outside the item-of-supply concept Eaton Aerospace, Llc Dba Jackson South |
| 845946 | D/9 Drawing number reference only Eaton Aerospace, Llc Dba Jackson South |
NSN 4320-01-124-8892 is a Block Valve,hydraulic Pump, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-124-8892 has 2 manufacturer part numbers on file: 845949 (Eaton Aerospace, Llc Dba Jackson South), 845946 PIECE 14 (Eaton Aerospace, Llc Dba Jackson South).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-131-6110, 5315-01-682-8647. Verify interchangeability with system specifications before substitution.
Key specifications for 845949: General Characteristics Item Description: DUCTILE IRON,MIL-I-24137,CL A; End Item Identification: SPERRY MOTOR CO L4-MMS2012-234821. 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.