The Test Set,breathing Apparatus, cataloged under National Stock Number 4240-01-628-2256, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-628-2256 |
| Item Name | Test Set,breathing Apparatus |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Supply Items and Quantities | TESTER,LEVEL A PRESSURE(QTY. 1), POUCH(QTY. 1), HOSE SENSING(QTY. 1), HOSE INFLATION(QTY. 1), TIMER,DIGITAL(QTY. 1), SELF TEST DEVICE(QTY. 1), ADAPTER,HOSE SENSOR,LEVEL A PRESSURE(QTY. 1), HOSE,SENSING LEVEL A PRESSURE TEST(QTY. 1) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6003-002456 | 3/2 Design control — primary reference U.S. Government activity |
| 6003-002456 | 5/9 Secondary reference Teledyne Flir Defense, Inc. |
NSN 4240-01-628-2256 is a Test Set,breathing Apparatus, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-01-628-2256: Supply Items and Quantities: TESTER,LEVEL A PRESSURE(QTY. 1), POUCH(QTY. 1), HOSE SENSING(QTY. 1), HOSE INFLATION(QTY. 1), TIMER,DIGITAL(QTY. 1), SELF TEST DEVICE(QTY. 1), ADAPTER,HOSE SENSOR,LEVEL A PRESSURE(QTY. 1), HOSE,SENSING LEVEL A PRESSURE TEST(QTY. 1); Part Name Assigned by Controlling Agency: PRESSURE TEST KIT,MODIFICATION,LEVEL A; End Item Identification: DETECTION AND ALARM DEVICES. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4240-01-628-2256 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.