The Life Preserver,vest, cataloged under National Stock Number 4220-01-313-1677, 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 Naval Sea Systems Command. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-313-1677 |
| Primary Part Number | MK 5 MOD 0 |
| Item Name | Life Preserver,vest |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Collar | INCLUDED |
| Gas Cylinder | NOT INCLUDED |
| Fastening Method | BUCKLE AND ZIPPER FOR FRONT CLOSURE |
| Color | GREEN AND ORANGE |
| Material | PLASTIC POLYAMIDE NYLON COVER |
| Buoyancy Method | GAS INFLATED OR ORALLY INFLATED |
| 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 |
|---|---|
| CS-4220-SS-0002 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| MK 5 MOD 0 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| MIL-L-24778 | 4/1 Identification reference U.S. Government activity |
NSN 4220-01-313-1677 is a Life Preserver,vest, manufactured by Naval Sea Systems Command, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-313-1677 has 2 manufacturer part numbers on file: CS-4220-SS-0002 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), MK 5 MOD 0 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 1398-01-346-2557, 4220-01-374-9707, 4220-01-375-2149. Verify interchangeability with system specifications before substitution.
Key specifications for MK 5 MOD 0: Collar: INCLUDED; Gas Cylinder: NOT INCLUDED; Fastening Method: BUCKLE AND ZIPPER FOR FRONT CLOSURE; Color: GREEN AND ORANGE. 6 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.