The Pin,break Away, cataloged under National Stock Number 4220-01-450-9243, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Circor Aerospace Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-450-9243 |
| Primary Part Number | SE-BAP-1 |
| Item Name | Pin,break Away |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Circor Aerospace Inc |
| Status | ACTIVE |
| General Characteristics Item Description | PREVENTS HAIR TRIGGER INFLATION VALVE ACTUATION WHEN WORKING WITH VERY LOW PRESSURE SYSTEMS |
| 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 |
|---|---|
| SE-BAP-1 PRIMARY | Circor Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| SE-BAP-1 | 3/9 Design control — primary reference Circor Aerospace, Inc. Dba Sei Products |
| BAP-1 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Sei Products |
NSN 4220-01-450-9243 is a Pin,break Away, manufactured by Circor Aerospace Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-450-9243 has 1 manufacturer part number on file: SE-BAP-1 (Circor Aerospace Inc).
Key specifications for SE-BAP-1: General Characteristics Item Description: PREVENTS HAIR TRIGGER INFLATION VALVE ACTUATION WHEN WORKING WITH VERY LOW PRESSURE SYSTEMS. 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.