The Nut,self-Locking,double Hexagon, cataloged under National Stock Number 5310-01-074-0253, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-074-0253 |
| Primary Part Number | 77019-8 |
| Item Name | Nut,self-Locking,double Hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3B |
| Nut Style | DOUBLE HEXAGON |
| Surface Treatment | COPPER AND NICKEL THREADS |
| Thread Quantity Per Inch | 20 |
| Nominal Thread Size | 0.500 INCHES IN |
| Material | NICKEL ALLOY OVERALL |
| Bearing Surface Type | CHAMFERED |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Specification/standard Data | 76301-ST3-436 MANUFACTURERS STANDARD |
| Material Document and Classification | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Width Across Flats | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Lubrication | DRY FILM LUBRICANT |
| Nut Height | 0.384 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BH436-8 | Bristol Industries, Llc (USA) |
| 77019-8 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| SLN201-8M | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| ST3M436-8M | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M436-8M | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| H49817-8 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 7019-8 | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
| ST3M436-8M | Bristol Industries, Llc (USA) |
| ST3M436-8M | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
| ST3M436-8M | Howmet Global Fastening Systems Inc (USA) |
| LH11434B | Harvard Industries Inc (USA) |
| ST3M436-8M PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5310-01-074-0253 is a Nut,self-Locking,double Hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-074-0253 has 12 cross-referenced part numbers: BH436-8 (Bristol Industries, Llc), 77019-8 (Sps Technologies, Llc Dba PB Fasteners), SLN201-8M (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), ST3M436-8M (Sps Technologies, Llc Dba PB Fasteners), ST3M436-8M (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok) and 7 more.
There are 2 known substitutes for 5310-01-074-0253: 3110-00-293-8120, 5950-00-830-3175. Verify interchangeability with system specifications before substitution.
Key specifications for 77019-8: Thread Direction: RIGHT-HAND; Thread Class: 3B; Nut Style: DOUBLE HEXAGON; Surface Treatment: COPPER AND NICKEL THREADS. 16 total characteristics are documented in the Federal Logistics Information System.