The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-083-8177, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 7 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-083-8177 |
| Primary Part Number | 1818397 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Sealing Method | COMPRESSION |
| Mounting Method | COMPRESSION AND FRICTION |
| Style Designator | CLOSED END |
| Material Document and Classification | MIL-R-6855,CL 2,GR 50,TY A MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Base Outside Diameter | 0.743 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC BODY |
| Hazardous Locations/environmental Protection | DUSTPROOF-NEMA TYPE 13 |
| 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 |
|---|---|
| 1818397 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5340-01-083-8177 is a Boot,dust and Moisture Seal, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-083-8177 has 1 manufacturer part number on file: 1818397 (Northrop Grumman Systems Corporation).
Key specifications for 1818397: Overall Height: 1.250 INCHES NOMINAL IN; Sealing Method: COMPRESSION; Mounting Method: COMPRESSION AND FRICTION; Style Designator: CLOSED END. 7 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.