The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-239-2410, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-239-2410 |
| Primary Part Number | LE114-0033-0002 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Washer Outside Diameter | 0.290 INCHES MAXIMUM IN |
| Width Across Flats | 0.213 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNJC |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| 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 |
|---|---|
| KFN670-08 | Bristol Industries, Llc (USA) |
| LE114-0033-0002 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| 03A136-08L | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| LE114-0033-0002 PRIMARY | Huck International, Inc (USA) |
| LE114-0033-0002 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| LE114-0033-0002 PRIMARY | Bristol Industries, Llc (USA) |
| KFN670-08 | Howmet Global Fastening Systems Inc (USA) |
| KFN670-08 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| KFN670-08 | Huck International, Inc (USA) |
| LE114-0033-0002 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| KFN511DL08 | 5/9 Secondary reference Huck International, Inc |
| KFN511DL08 | 5/9 Secondary reference U.S. Government activity |
| KFN511DL08 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| KFN511DL08 | 5/9 Secondary reference U.S. Government activity |
| KFN670-08 | 5/9 Secondary reference U.S. Government activity |
| BH136M08 | 5/9 Secondary reference Bristol Industries, Llc |
| KFN511DL08 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| LE114-0033-0002 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 5310-01-239-2410 is a Nut,plain,extended Washer,hexago, manufactured by Huck International, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-239-2410 has 10 manufacturer part numbers on file: KFN670-08 (Bristol Industries, Llc), LE114-0033-0002 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), 03A136-08L (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), LE114-0033-0002 (Huck International, Inc), LE114-0033-0002 (Sps Technologies, Llc Dba PB Fasteners) and 5 more.
Key specifications for LE114-0033-0002: Overall Height: 0.251 INCHES MAXIMUM IN; Washer Outside Diameter: 0.290 INCHES MAXIMUM IN; Width Across Flats: 0.213 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 12 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.