The Nut,plain,spline, cataloged under National Stock Number 5310-01-197-8124, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-197-8124 |
| Primary Part Number | ES8211-061 |
| Item Name | Nut,plain,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Width Across Flats | 0.295 INCHES NOMINAL IN |
| Nut Length | 0.420 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Material Document and Classification | AMS 5085 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BASE |
| Material Document and Classification | ASTM A682 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A684 ASSN STD SINGLE MATERIAL RESPONSE BRACKET |
| Nut Counterbore Depth | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM BASE IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Counterbore Diameter | 0.192 INCHES NOMINAL BASE IN |
| Pilot Diameter | 0.217 INCHES MAXIMUM IN |
| Pilot Length | 0.073 INCHES NOMINAL IN |
| Nut Height | 0.237 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Style | SPLINE (FLOATING) |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 304 BASE |
| Material | STEEL COMP 1075 BRACKET |
| Material | STEEL COMP 1050 NUT |
| 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 |
|---|---|
| ES8211-061 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| FF6010NL-6-AA PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
NSN 5310-01-197-8124 is a Nut,plain,spline, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-197-8124 has 2 manufacturer part numbers on file: ES8211-061 (Naval Inventory Control Point Mechanicsburg), FF6010NL-6-AA (Huck International, Inc. Div Huck Products Division).
Key specifications for ES8211-061: Lubrication: DRY FILM LUBRICANT; Width Across Flats: 0.295 INCHES NOMINAL IN; Nut Length: 0.420 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.