The Bladder,flotation, cataloged under National Stock Number 4220-01-691-0341, 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 Aerial Machine & Tool Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-691-0341 |
| Primary Part Number | BLA1189-BLBM |
| Item Name | Bladder,flotation |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Aerial Machine & Tool Corporation |
| Status | ACTIVE |
| Color | BLACK |
| Material | RUBBER |
| Usage Design | FLOATATION VEST |
| 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 |
|---|---|
| BLA1189-BLBM PRIMARY | Aerial Machine & Tool Corporation (USA) |
| Reference | Meaning |
|---|---|
| 103394 | 5/9 Secondary reference Aqua Lung Co Ltd |
NSN 4220-01-691-0341 is a Bladder,flotation, manufactured by Aerial Machine & Tool Corporation, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-691-0341 has 1 manufacturer part number on file: BLA1189-BLBM (Aerial Machine & Tool Corporation).
Key specifications for BLA1189-BLBM: Color: BLACK; Special Features: BLADDER FRONT,COLOR:BLACK,SIZE:MEDIUM ,840 DENIER NYLON OUTER,FOAM SANDWICHED CENTER LAYER,SAPI SPECIFIC CUT,RF WELDED SEAM,OPV(OVER PRESSURE VALVE)INSTALLED IN FRONT BLADDER ,CONFIGURED FOR EITHER LEFT OR RIGHT HAND OPERATION; Part Name Assigned by Controlling Agency: BLADDER FLOATATION; End Item Identification: VEST-AEGIR 59 AND FATSO (VSWR-BSH00588). 3 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.