The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-341-6743, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-341-6743 |
| Primary Part Number | 6707868 PIECE 11 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Sealing Method | MECHANICAL |
| Opening Inside Diameter | 1.250 INCHES NOMINAL IN |
| Body Outside Diameter | 3.000 INCHES NOMINAL IN |
| Body Height | 4.480 INCHES NOMINAL IN |
| Style Designator | THRU-HOLE, EXPANDABLE |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Material | RUBBER BUNA N 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 |
| Part Number | Manufacturer |
|---|---|
| 6707868 PIECE 11 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| K700 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-341-6743 is a Boot,dust and Moisture Seal, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-341-6743 has 1 manufacturer part number on file: 6707868 PIECE 11 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3820-01-622-5790. Verify interchangeability with system specifications before substitution.
Key specifications for 6707868 PIECE 11: Overall Height: 5.720 INCHES NOMINAL IN; Sealing Method: MECHANICAL; Opening Inside Diameter: 1.250 INCHES NOMINAL IN; Body Outside Diameter: 3.000 INCHES NOMINAL IN. 7 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.