The Piston,pump, cataloged under National Stock Number 4320-00-003-9857, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-003-9857 |
| Primary Part Number | 2482683 |
| Item Name | Piston,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Supplementary Features | 6 DEG MIN. SWIVEL ALL AROUND; 0.002 MAX END PLAY |
| 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 |
|---|---|
| 2482683 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 2482683 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-00-003-9857 is a Piston,pump, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-003-9857 has 1 manufacturer part number on file: 2482683 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 2482683: Supplementary Features: 6 DEG MIN. SWIVEL ALL AROUND; 0.002 MAX END PLAY; End Item Identification: PUMP,RECIPROCATING MODEL 34E94-11A A. 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.