The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-366-2815, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Griffith Rubber Mills Inc Dba Bauman Harnish Rubber Co. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-366-2815 |
| Primary Part Number | BH3997-A |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Griffith Rubber Mills Inc Dba Bauman Harnish Rubber Co |
| Status | ACTIVE |
| Style Designator | THRU-HOLE, EXPANDABLE |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Base Outside Diameter | 2.400 INCHES MAXIMUM 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 |
| Part Number | Manufacturer |
|---|---|
| BH3997-A PRIMARY | Griffith Rubber Mills Inc Dba Bauman Harnish Rubber Co (USA) |
| Reference | Meaning |
|---|---|
| 5544196 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| BH3997-A | 5/9 Secondary reference Bauman-Harnish Rubber Co |
NSN 5340-01-366-2815 is a Boot,dust and Moisture Seal, manufactured by Griffith Rubber Mills Inc Dba Bauman Harnish Rubber Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-366-2815 has 1 manufacturer part number on file: BH3997-A (Griffith Rubber Mills Inc Dba Bauman Harnish Rubber Co).
Key specifications for BH3997-A: Style Designator: THRU-HOLE, EXPANDABLE; Material Thickness: 0.125 INCHES NOMINAL IN; Base Outside Diameter: 2.400 INCHES MAXIMUM IN; Material: RUBBER CHLOROPRENE BODY. 4 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.