The Coupling,gear Pump, cataloged under National Stock Number 4320-00-656-0262, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-656-0262 |
| Primary Part Number | 01-13278 |
| Item Name | Coupling,gear Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| General Characteristics Item Description | USED ON 4320&702&0269 |
| 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 |
|---|---|
| 01-13278 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 01-13278 | 5/9 Secondary reference Te Aero Corp |
| 01-13278 | 5/9 Secondary reference Donallco Inc |
| 01-13278 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-00-656-0262 is a Coupling,gear Pump, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-656-0262 has 1 manufacturer part number on file: 01-13278 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 01-13278: General Characteristics Item Description: USED ON 4320&702&0269. 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.