The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-370-1811, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-370-1811 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Dome Height | 0.180 INCHES NOMINAL IN |
| Sealing Method | COMPRESSION |
| Body Outside Diameter | 0.480 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Style Designator | CLOSED END |
| Material Document and Classification | MIL-R-6855,CLASS4-Z,TYPEA,GRADE50 MIL SPEC ALL MATERIAL RESPONSES BODY |
| Base Overall Length | 0.468 INCHES NOMINAL IN |
| Mounting Device Quantity | 1 |
| Base Width | 3.200 INCHES NOMINAL IN |
| Base Inside Diameter | 0.608 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| 52175-2 | 3/9 Design control — primary reference L3 Technologies, Inc. Dba L3 Rccs Div Ruggedized Command & Control Solutions |
NSN 5340-01-370-1811 is a Boot,dust and Moisture Seal, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5930-01-493-3469. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-370-1811: Dome Height: 0.180 INCHES NOMINAL IN; Overall Height: 0.260 INCHES NOMINAL IN; Sealing Method: COMPRESSION; Body Outside Diameter: 0.480 INCHES NOMINAL IN. 11 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.