The Nut,plain,knurled, cataloged under National Stock Number 5310-01-260-3260, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Nordex, Incorporated Dba Nordex Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-260-3260 |
| Primary Part Number | JLS-A1-1 |
| Item Name | Nut,plain,knurled |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Nordex, Incorporated Dba Nordex Inc |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Temp Rating | 315.0 CELSIUS MAXIMUM DEGC |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A484 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.125 INCHES NOMINAL FIRST END IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Nut Diameter | 0.500 INCHES NOMINAL IN |
| Counterbore Diameter | 0.125 INCHES NOMINAL FIRST END IN |
| Nut Thickness | 0.375 INCHES NOMINAL IN |
| Small End Length | 0.250 INCHES NOMINAL IN |
| Small End Diameter | 0.250 INCHES NOMINAL IN |
| Nut Style | KNURLED |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 303 OVERALL |
| Knurl Width | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| JLS-A1-1 PRIMARY | Nordex, Incorporated Dba Nordex Inc (USA) |
| Reference | Meaning |
|---|---|
| JLS-A1-1 | 5/9 Secondary reference Nordex Inc |
| GN512KY1 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 2612086-1 | 5/9 Secondary reference Alliant Techsystems Operations Llc Div Defense Electronic Systems |
NSN 5310-01-260-3260 is a Nut,plain,knurled, manufactured by Nordex, Incorporated Dba Nordex Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-260-3260 has 1 manufacturer part number on file: JLS-A1-1 (Nordex, Incorporated Dba Nordex Inc).
Key specifications for JLS-A1-1: Thread Series: UNIFIED NATIONAL COARSE (UNC); Temp Rating: 315.0 CELSIUS MAXIMUM DEGC; Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A484 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nut Counterbore Depth: 0.125 INCHES NOMINAL FIRST END IN. 16 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.