The Detent Plate, cataloged under National Stock Number 3040-01-522-2140, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hhe Services, Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-522-2140 |
| Primary Part Number | 99C621-06-DWG-03-A-0 |
| Item Name | Detent Plate |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hhe Services, Inc. |
| Status | ACTIVE |
| Overall Thickness | 0.375 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A-514 ASSN STD 1ST MATERIAL RESPONSE |
| Material | STEEL AND COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 99C621-06-DWG-03-A-0 PRIMARY | Hhe Services, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HI-721-6000 REV G ITEM 33 | 5/1 Secondary reference Hhe Services, Inc. |
NSN 3040-01-522-2140 is a Detent Plate, manufactured by Hhe Services, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-522-2140 has 1 manufacturer part number on file: 99C621-06-DWG-03-A-0 (Hhe Services, Inc.).
Key specifications for 99C621-06-DWG-03-A-0: Overall Thickness: 0.375 INCHES NOMINAL IN; Material Document and Classification: ASTM A-514 ASSN STD 1ST MATERIAL RESPONSE; Overall Length: 10.880 INCHES NOMINAL IN; Overall Width: 6.000 INCHES NOMINAL IN. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.