The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-498-0686, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-498-0686 |
| Primary Part Number | 752-7068502-67 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Radius | 0.130 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.002 INCHES NOMINAL IN |
| Mounting Method | SCREW |
| First Distance From Mounting Hole Center to Base Edge | 0.250 INCHES NOMINAL IN |
| Style Designator | THRU-HOLE |
| Material Document and Classification | MIL-R-6855, CL 1, TY B, GR 30 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Mounting Hole Diameter | 0.281 INCHES NOMINAL IN |
| Base Overall Length | 1.850 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| Mounting Device Quantity | 5 |
| Base Width | 1.050 INCHES NOMINAL IN |
| Distance From Inside Opening to Base Edge | 0.674 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.000 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC BODY |
| Second Distance From Mounting Hole Center to Base Edge | 0.380 INCHES NOMINAL IN |
| Hazardous Locations/environmental Protection | FUEL RESISTANT AND OIL RESISTANT AND OZONE RESISTANT |
| 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 |
|---|---|
| 752-7068502-67 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H832-1684-67 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-498-0686 is a Boot,dust and Moisture Seal, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-498-0686 has 1 manufacturer part number on file: 752-7068502-67 (Naval Sea Systems Command).
Key specifications for 752-7068502-67: Overall Height: 0.870 INCHES NOMINAL IN; Radius: 0.130 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.002 INCHES NOMINAL IN; Mounting Method: SCREW. 16 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.