The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-579-5121, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-579-5121 |
| Primary Part Number | 314278 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Bearing Surface Type | CHAMFERED |
| Thread Quantity Per Inch | 28 |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Series | UNF |
| Surface Treatment | SILVER OVERALL |
| Nut Style | HEXAGON |
| Nut Height | 0.295 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE WITH METALLIC INSERT |
| Thread Class | 3B |
| Precious Material | SILVER |
| Material | COPPER OR STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 0428CG20 | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| 0428CG20 | Howmet Global Fastening Systems Inc Div Rosan Products (USA) |
| 314278 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| 314278 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 314278 | A C and R Components Inc (USA) |
| 314278 | Turbo Power & Marine System Inc Sub of United Technologies Corp (USA) |
NSN 5310-00-579-5121 is a Nut,self-Locking,hexagon, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-579-5121 has 6 cross-referenced part numbers: 0428CG20 (Howmet Global Fastening Systems Inc. Div Tridair Products), 0428CG20 (Howmet Global Fastening Systems Inc Div Rosan Products), 314278 (Howmet Global Fastening Systems Inc. Div Tridair Products), 314278 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 314278 (A C and R Components Inc) and 1 more.
There are 4 known substitutes for 5310-00-579-5121: 5310-00-209-3476, 5315-00-276-5385, 5935-00-341-0402 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 314278: Thread Direction: RIGHT-HAND; Width Across Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Bearing Surface Type: CHAMFERED; Thread Quantity Per Inch: 28. 13 total characteristics are documented in the Federal Logistics Information System.