The Nut,self-Locking,double Hexagon, cataloged under National Stock Number 5310-01-132-4397, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-132-4397 |
| Primary Part Number | ST3M436-9M |
| Item Name | Nut,self-Locking,double Hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Width Across Flats | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.562 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.337 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Surface Treatment | COPPER AND NICKEL THREADS |
| Nut Style | DOUBLE HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | NICKEL ALLOY 718 OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| H49817-9 | Howmet Global Fastening Systems Inc (USA) |
| BH436-9 | Bristol Industries, Llc (USA) |
| 77019-9 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M436-9M PRIMARY | The Boeing Company Div Defense (USA) |
| SLN201-9M | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| LH11434-9 | 5/9 Secondary reference Harvard Industries Inc |
| 10109645 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 77019-9 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-132-4397 is a Nut,self-Locking,double Hexagon, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-132-4397 has 5 manufacturer part numbers on file: H49817-9 (Howmet Global Fastening Systems Inc), BH436-9 (Bristol Industries, Llc), 77019-9 (Sps Technologies, Llc Dba PB Fasteners), ST3M436-9M (The Boeing Company Div Defense), SLN201-9M (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
Key specifications for ST3M436-9M: Lubrication: DRY FILM LUBRICANT; Width Across Flats: 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Material Document and Classification: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.