The Screw,close Tolerance, cataloged under National Stock Number 5305-01-497-0735, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5305-01-497-0735 |
| Primary Part Number | ST3M652C7-25D |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.656 INCHES NOMINAL IN |
| Internal Drive Style | HIGH-TORQUE |
| 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 |
|---|---|
| WC4020-7-25 | West Coast Aerospace, Inc. (USA) |
| HT2040-7-25D | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4020-7-25D | Howmet Global Fastening Systems Inc (USA) |
| 11925C7-25D | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT2040-7-25D | Hi-Shear Corporation (USA) |
| HT2040-7-25D | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| ST3M652C7-25D PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| HT2040-7-25D | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-497-0735 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-497-0735 has 7 manufacturer part numbers on file: WC4020-7-25 (West Coast Aerospace, Inc.), HT2040-7-25D (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HT4020-7-25D (Howmet Global Fastening Systems Inc), 11925C7-25D (Reid Products Inc. Dba Reid Products Inc), HT2040-7-25D (Hi-Shear Corporation) and 2 more.
Key specifications for ST3M652C7-25D: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.656 INCHES NOMINAL IN; Internal Drive Style: HIGH-TORQUE; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 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.