The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-137-3854, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Airex Rubber Products Corporation Dba Airex Rubber Products Corp. Government technical data includes 4 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-137-3854 |
| Primary Part Number | A-4453 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Airex Rubber Products Corporation Dba Airex Rubber Products Corp |
| Status | ACTIVE |
| Style Designator | THRU-HOLE, EXPANDABLE |
| Material Document and Classification | SS9529 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Thickness | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Material | RUBBER 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 |
|---|---|
| 70400-02801-102 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| A-4453 PRIMARY | Airex Rubber Products Corporation Dba Airex Rubber Products Corp (USA) |
NSN 5340-01-137-3854 is a Boot,dust and Moisture Seal, manufactured by Airex Rubber Products Corporation Dba Airex Rubber Products Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-137-3854 has 2 manufacturer part numbers on file: 70400-02801-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), A-4453 (Airex Rubber Products Corporation Dba Airex Rubber Products Corp).
Key specifications for A-4453: Style Designator: THRU-HOLE, EXPANDABLE; Material Document and Classification: SS9529 ASSN STD SINGLE MATERIAL RESPONSE BODY; Material Thickness: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Material: RUBBER 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.