The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-382-5557, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share 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 | 5340-00-382-5557 |
| Primary Part Number | 326071PC8 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Sealing Method | COMPRESSION |
| Mounting Method | FLANGE |
| Style Designator | CLOSED END |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Mounting Device Quantity | 1 |
| Base Inside Diameter | 0.750 INCHES NOMINAL IN |
| Base Outside Diameter | 1.375 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 |
NSN 5340-00-382-5557 is a Boot,dust and Moisture Seal, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-382-5557 has 2 manufacturer part numbers on file: 326071PC8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 233428 (Lockheed Martin Corporation Div Rms - Mitchel Field).
2 possible matches (shared part number, not a government interchangeability claim): 1620-00-623-9710, 5340-00-832-7704. Verify interchangeability with system specifications before substitution.
Key specifications for 326071PC8: Overall Height: 0.531 INCHES NOMINAL IN; Sealing Method: COMPRESSION; Mounting Method: FLANGE; Style Designator: CLOSED END. 8 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.