The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-671-4434, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Bemco, Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5340-00-671-4434 |
| Primary Part Number | BE222-5 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Bemco, Inc |
| Status | ACTIVE |
| Opening Inside Diameter | 1.250 INCHES NOMINAL IN |
| Base Overall Length | 4.430 INCHES NOMINAL IN |
| Base Width | 4.250 INCHES NOMINAL IN |
| Material | GLASS FIBER BODY |
| Hazardous Locations/environmental Protection | FUNGUS RESISTANT AND OIL RESISTANT AND GASTIGHT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BE222-5 | Bemco, Inc (USA) |
| Reference | Meaning |
|---|---|
| 204-030-196-5 | 3/2 Design control — primary reference U.S. Government activity |
| 204-030-196-005 | 5/2 Secondary reference U.S. Government activity |
| 4867-5 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-00-671-4434 is a Boot,dust and Moisture Seal, manufactured by Bemco, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-671-4434 has 1 manufacturer part number on file: BE222-5 (Bemco, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4310-01-305-3272. Verify interchangeability with system specifications before substitution.
Key specifications for BE222-5: Overall Height: 6.000 INCHES NOMINAL IN; Opening Inside Diameter: 1.250 INCHES NOMINAL IN; Base Overall Length: 4.430 INCHES NOMINAL IN; Base Width: 4.250 INCHES NOMINAL IN. 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.