The Seal,static, cataloged under National Stock Number 5330-01-251-5815, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Defense Maritime Solutions, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-251-5815 |
| Primary Part Number | CMST1029 |
| Item Name | Seal,static |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Defense Maritime Solutions, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | 6.416 IN. DIA,0.461 IN. THK,1.450 IN. W,FIFTTEEN HOLES EQUALLY SPACED 0.062 IN. DIA,INFLATABLE SEAL NEOPRENE PER MIL-P-6855,CL2,GR 70 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CMST1029 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| CMST1029E | 5/9 Secondary reference Defense Maritime Solutions, Inc. |
| CMST1029E | 5/9 Secondary reference John Crane, Inc |
| CMST1029E | 5/9 Secondary reference Wartsila Lips Inc |
| 5829199 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 5330-01-251-5815 is a Seal,static, manufactured by Defense Maritime Solutions, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-251-5815 has 1 manufacturer part number on file: CMST1029 (Defense Maritime Solutions, Inc.).
Key specifications for CMST1029: General Characteristics Item Description: 6.416 IN. DIA,0.461 IN. THK,1.450 IN. W,FIFTTEEN HOLES EQUALLY SPACED 0.062 IN. DIA,INFLATABLE SEAL NEOPRENE PER MIL-P-6855,CL2,GR 70 IN. 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.
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.