The Nut,plain,clinch, cataloged under National Stock Number 5310-00-806-2161, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-806-2161 |
| Primary Part Number | S-440-3CI |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | CANCELLED |
| Pilot Length | 0.087 INCHES NOMINAL IN |
| Nut Diameter | 0.250 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Thread Class | 2B |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 40 |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.112 INCHES IN |
| Nut Height | 0.149 INCHES NOMINAL IN |
| Nut Style | CLINCH |
| Pilot Diameter | 0.164 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 440NKC-(.091) | Precision Metal Products Co (USA) |
| GN512U440-3 | Northrop Grumman Systems Corporation (USA) |
| 440NKC-(C0.091) | Precision Metal Products Co (USA) |
| 0405-06 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| GN512U440-3 | Precision Metal Products Co (USA) |
| S440-3 | Penn Engineering & Manufacturing Corp (USA) |
| CNS440-3 | Nylok Llc (USA) |
| S-440-3CI PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| 0405-06 | Lockheed Martin Corporation Div Rms (USA) |
NSN 5310-00-806-2161 is a Nut,plain,clinch, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-806-2161 has 9 cross-referenced part numbers: 440NKC-(.091) (Precision Metal Products Co), GN512U440-3 (Northrop Grumman Systems Corporation), 440NKC-(C0.091) (Precision Metal Products Co), 0405-06 (Lockheed Martin Corporation Div Rms - Mitchel Field), GN512U440-3 (Precision Metal Products Co) and 4 more.
There are 3 known substitutes for 5310-00-806-2161: 5355-00-037-8074, 4330-01-420-5235, 4810-01-556-7014. Verify interchangeability with system specifications before substitution.
Key specifications for S-440-3CI: Pilot Length: 0.087 INCHES NOMINAL IN; Nut Diameter: 0.250 INCHES NOMINAL IN; Material: STEEL OVERALL; Thread Class: 2B. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-806-2161 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.