The Nut,plain,square, cataloged under National Stock Number 5310-01-343-9737, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Abb Ltd. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-343-9737 |
| Primary Part Number | 397D109 |
| Item Name | Nut,plain,square |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Abb Ltd |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | FLAT |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 20 |
| Nut Style | SQUARE |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 397D109 | Abb Ltd (GBR) |
| X5008/12/151 ITEM 20 | Wellman Group (GBR) |
| X5008/12/151-20 | Wellman Group (GBR) |
| 151/20 | Wellman Group (GBR) |
| 151 ITEM 20 | Wellman Group (GBR) |
| 397D109T10 | Abb Ltd (GBR) |
| 397D109T10 | Fischer and Porter Co (USA) |
NSN 5310-01-343-9737 is a Nut,plain,square, manufactured by Abb Ltd, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-343-9737 has 7 cross-referenced part numbers: 397D109 (Abb Ltd), X5008/12/151 ITEM 20 (Wellman Group), X5008/12/151-20 (Wellman Group), 151/20 (Wellman Group), 151 ITEM 20 (Wellman Group) and 2 more.
There are 12 known substitutes for 5310-01-343-9737: 3110-00-100-3160, 5136-00-189-7825, 5133-00-236-4069 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 397D109: Material: STEEL CORROSION RESISTING OVERALL; Bearing Surface Type: FLAT; Width Across Flats: 0.625 INCHES NOMINAL IN; Nominal Thread Size: 0.250 INCHES IN. 8 total characteristics are documented in the Federal Logistics Information System.