The Piston,pump, cataloged under National Stock Number 4320-01-168-3495, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Euramco Safety Inc. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-168-3495 |
| Primary Part Number | 101C249BR |
| Item Name | Piston,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Euramco Safety Inc |
| Status | ACTIVE |
| Ring Groove Width | 0.125 INCHES NOMINAL IN |
| Surface Finish | SEMIFINISHED |
| Diameter | 2.000 INCHES NOMINAL IN |
| Ring Groove Quantity | 4 |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 101C249BR PRIMARY | Euramco Safety Inc (USA) |
| Reference | Meaning |
|---|---|
| 101C249BRPT1 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| PL-101B140EC PIECE 2 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| PL-101B140EC | D/9 Drawing number reference only General Electric Co Naval and Drive Turbine Systems Dept |
| 101C249BR-1 | 5/9 Secondary reference Lowe Charles M Co the |
NSN 4320-01-168-3495 is a Piston,pump, manufactured by Euramco Safety Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-168-3495 has 1 manufacturer part number on file: 101C249BR (Euramco Safety Inc).
1 possible match (shared part number, not a government interchangeability claim): 2825-01-169-4883. Verify interchangeability with system specifications before substitution.
Key specifications for 101C249BR: Overall Height: 3.250 INCHES NOMINAL IN; Ring Groove Width: 0.125 INCHES NOMINAL IN; Surface Finish: SEMIFINISHED; Diameter: 2.000 INCHES NOMINAL IN. 5 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.