The Screw,close Tolerance, cataloged under National Stock Number 5305-01-650-1512, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. The record lists 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5305-01-650-1512 |
| Primary Part Number | 3M958-4-4 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| 3M958-4-4 | Heartland Precision Fasteners Inc (USA) |
| HT4049-4-4X | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M958-4-4 | Houston Precision Fasteners I Lp (USA) |
| 11899-4-4 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4049-4-4X | Huck International, Inc (USA) |
| WC958-4-4 | West Coast Aerospace, Inc. (USA) |
| 3M958-4-4 PRIMARY | The Boeing Company Div Defense (USA) |
| 3M958-4-4 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| HT4049-4-4X | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M958-4-4 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4049-4-4X | Hi-Shear Corporation (USA) |
| HT4049-4-4X | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4049-4-4X | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| HT4049-4-4X | 5/2 Secondary reference U.S. Government activity |
| HT4049-4-4X | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-650-1512 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-650-1512 has 13 manufacturer part numbers on file: 3M958-4-4 (Heartland Precision Fasteners Inc), HT4049-4-4X (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 3M958-4-4 (Houston Precision Fasteners I Lp), 11899-4-4 (Reid Products Inc. Dba Reid Products Inc), HT4049-4-4X (Huck International, Inc) and 8 more.
Key specifications for 3M958-4-4: End Item Identification: F-18 AIRCRAFT. 0 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.