The Nut Assembly,retainer Strip, cataloged under National Stock Number 5310-01-657-6220, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-657-6220 |
| Primary Part Number | ST3M723N1M8-7 |
| Item Name | Nut Assembly,retainer Strip |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nominal Thread Size | 0.1900 INCHES IN |
| Assembly Overall Height | 0.203 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE CHANNEL |
| Surface Treatment | DISULFIDE MOLYBDENUM NUT |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 NUT |
| Material | ALUMINUM ALLOY 7075 OR ALUMINUM ALLOY 2024 CHANNEL |
| 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 |
|---|---|
| ST3M723N1M8-7 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5310-01-657-6220 is a Nut Assembly,retainer Strip, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-657-6220 has 1 manufacturer part number on file: ST3M723N1M8-7 (The Boeing Company Div Defense).
Key specifications for ST3M723N1M8-7: Lubrication: DRY FILM LUBRICANT; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Overall Length: 71.750 INCHES NOMINAL IN; Nominal Thread Size: 0.1900 INCHES IN. 9 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.