The Doorstop, cataloged under National Stock Number 5340-00-491-0728, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Md Helicopters Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-491-0728 |
| Primary Part Number | 90-369A3000-97 |
| Item Name | Doorstop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Md Helicopters Inc |
| Status | ACTIVE |
| Material Document and Classification | QQ-A-250/5,COM+2024,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 1230 OVERALL |
| 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 |
|---|---|
| 90-369A3000-97 PRIMARY | Md Helicopters Inc (USA) |
| 90-369A3000-97 | The Boeing Company (USA) |
| 90-369A3000-97 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| Reference | Meaning |
|---|---|
| 90-369A3000-97 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 369A3000-97 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5340-00-491-0728 is a Doorstop, manufactured by Md Helicopters Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-491-0728 has 3 manufacturer part numbers on file: 90-369A3000-97 (Md Helicopters Inc), 90-369A3000-97 (The Boeing Company), 90-369A3000-97 (Leonardo Spa Helicopters Division - Production Site).
Key specifications for 90-369A3000-97: Material Document and Classification: QQ-A-250/5,COM+2024,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Special Features: BASE LENGTH:4.000 IN.NOM;HOOK/KEEPER:NOT INCLUDED; IN; Material: ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 1230 OVERALL. 2 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.