The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-274-3206, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Esna, Llc. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-274-3206 |
| Primary Part Number | 68NA1K3-82 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Plate Thickness | 0.065 INCHES NOMINAL IN |
| Nut Length | 0.969 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Plate Width | 0.391 INCHES NOMINAL IN |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.344 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Center to Center Distance Between Mounting Holes Along Length | 0.688 INCHES NOMINAL IN |
| Nut Height | 0.637 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE NUT |
| Surface Treatment | ANODIZE BASE |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY 2017 NUT |
| Material | STEEL CAP |
| Material | ALUMINUM ALLOY 2017 BASE |
| Material | FIBER OR PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Nut Mounting Provision | STRAIGHT HOLES |
| 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 |
|---|---|
| 68NA1K3-82 PRIMARY | Esna, Llc (USA) |
| 68A1K3-82 PRIMARY | Esna, Llc (USA) |
| 9175054 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 68NA1K3-82 | 5/9 Secondary reference Harvard Industries Inc |
| 68A1K3-82 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-274-3206 is a Nut,self-Locking,plate, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-274-3206 has 3 manufacturer part numbers on file: 68NA1K3-82 (Esna, Llc), 68A1K3-82 (Esna, Llc), 9175054 (Us Army Aviation and Missile Command).
Key specifications for 68NA1K3-82: Plate Thickness: 0.065 INCHES NOMINAL IN; Nut Length: 0.969 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Plate Width: 0.391 INCHES NOMINAL IN. 23 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.