The Life Raft,inflatable, cataloged under National Stock Number 4220-00-563-3567, 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 Patten Co., Inc.. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4220-00-563-3567 |
| Primary Part Number | F2B |
| Item Name | Life Raft,inflatable |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Patten Co., Inc. |
| Status | ACTIVE |
| Underside Color | ORANGE, INDIAN |
| Us Coast Guard Approval | NOT APPROVED |
| Diameter | 36.000 INCHES NOMINAL IN |
| Specification/standard Data | MIL-L-9131 GOVERNMENT SPECIFICATION |
| Carbon Dioxide Gas Cylinder | NOT INCLUDED |
| Nondefinitive Spec/std Data | F 2B TYPE |
| Gross Weight | 80.0 POUNDS LBS |
| Personnel Capacity | 20 |
| Inflation Method | CARBON DIOXIDE AND MANUAL |
| Surface Treatment | RUBBER |
| Material | FABRIC, NYLON |
| Beam Width | 150.000 INCHES NOMINAL IN |
| Topside Color | ORANGE, INDIAN |
| Furnished Items and Quantity | N/A |
| Fire Resistant Cover | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| F2B PRIMARY | Patten Co., Inc. (USA) |
| 63A80H1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| SPC-MIL-506 | Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc (USA) |
| Reference | Meaning |
|---|---|
| F2B | 5/9 Secondary reference U.S. Government activity |
| F2B/LRU15A | 5/9 Secondary reference Patten Co., Inc. |
| TUL-100 | 5/9 Secondary reference Patten Co., Inc. |
| 4220PL0744795 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4220PL2074614 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MIL-R-9131 | 4/1 Identification reference U.S. Government activity |
| MILL009131 | 5/9 Secondary reference U.S. Government activity |
| F-2B-501 | 5/9 Secondary reference California Inflatables Co Inc |
NSN 4220-00-563-3567 is a Life Raft,inflatable, manufactured by Patten Co., Inc., classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-00-563-3567 has 3 manufacturer part numbers on file: F2B (Patten Co., Inc.), 63A80H1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), SPC-MIL-506 (Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 4220-01-011-7478. Verify interchangeability with system specifications before substitution.
Key specifications for F2B: Underside Color: ORANGE, INDIAN; Us Coast Guard Approval: NOT APPROVED; Diameter: 36.000 INCHES NOMINAL IN; Overall Length: 150.000 INCHES NOMINAL IN. 15 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.