The Retainer,nut and Bolt, cataloged under National Stock Number 5340-01-721-1126, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-721-1126 |
| Primary Part Number | ST9M589-4 |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Distance Between Mounting Hole Centers | 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN |
| Style Designator | ANCHOR |
| Material Document and Classification | AMS5525, AMS5732 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Material Thickness | 0.040 INCHES MAXIMUM IN |
| Specification/standard Data | 76301-ST9-589 MANUFACTURERS SOURCE CONTROL |
| Center to Center Distance Between Cup and Mounting Hole | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| Width Between Cup Flats | 0.313 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| 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 |
|---|---|
| ST9M589-4 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| NS202135-048 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-721-1126 is a Retainer,nut and Bolt, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-721-1126 has 1 manufacturer part number on file: ST9M589-4 (The Boeing Company Div Defense).
Key specifications for ST9M589-4: Overall Height: 0.137 INCHES MAXIMUM IN; Distance Between Mounting Hole Centers: 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN; Style Designator: ANCHOR; Material Document and Classification: AMS5525, AMS5732 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE. 9 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.