The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-656-4288, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Song Chuan Usa Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-656-4288 |
| Primary Part Number | S18WP |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Song Chuan Usa Inc |
| Status | ACTIVE |
| Opening Inside Diameter | 0.060 INCHES NOMINAL IN |
| Body Outside Diameter | 0.150 INCHES NOMINAL IN |
| Style Designator | THRU-HOLE |
| Base Outside Diameter | 0.330 INCHES NOMINAL IN |
| Material | NYLON (USE PCP000) 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 5340-01-656-4288 is a Boot,dust and Moisture Seal, manufactured by Song Chuan Usa Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-656-4288 has 2 manufacturer part numbers on file: S18WP (Song Chuan Usa Inc), 893-S18WP (Mouser Electronics, Inc Dba Mouser Electronics).
Key specifications for S18WP: Overall Height: 0.430 INCHES NOMINAL IN; Opening Inside Diameter: 0.060 INCHES NOMINAL IN; Body Outside Diameter: 0.150 INCHES NOMINAL IN; Style Designator: THRU-HOLE. 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.