The Cover,protective,dust and Moistu, cataloged under National Stock Number 5340-01-549-6898, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-549-6898 |
| Item Name | Cover,protective,dust and Moistu |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Closed End Overall Diameter | 1.875 INCHES NOMINAL IN |
| Length Under Shoulder | 0.625 INCHES NOMINAL IN |
| Material Document and Classification | ASTMD 991 ASSN STD 1ST MATERIAL RESPONSE AND ASTME 595 ASSN STD 2ND MATERIAL RESPONSE AND FTMS 101C FED STD 3RD MATERIAL RESPONSE |
| Open End Inside Diameter | 1.645 INCHES NOMINAL IN |
| Material | PLASTIC POLYAMIDE NYLON |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4270 M5501/31A-1645 | 5/9 Secondary reference 3m Company |
| 4270 M5501/31A-1645 | 5/9 Secondary reference 3m Company Dba 3m |
| 4270 M5501/31A-1645 | 3/9 Design control — primary reference 3m Co Admininistrative Electronic & Communications |
NSN 5340-01-549-6898 is a Cover,protective,dust and Moistu, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-549-6898: Closed End Overall Diameter: 1.875 INCHES NOMINAL IN; Length Under Shoulder: 0.625 INCHES NOMINAL IN; Material Document and Classification: ASTMD 991 ASSN STD 1ST MATERIAL RESPONSE AND ASTME 595 ASSN STD 2ND MATERIAL RESPONSE AND FTMS 101C FED STD 3RD MATERIAL RESPONSE; Special Features: DUST COVER FOR I/O CONNECTOR PINS; PRESSURE FIT, NO THREADS; CONDUCTIVE POLYMER; RESISTANCE -10 TO THE 5TH OHM/CM; PACKAGED 50/BAG, 10 BAGS PER BOX. 5 specifications are 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.