The Nut,self-Locking,round, cataloged under National Stock Number 5310-01-481-9350, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-481-9350 |
| Primary Part Number | SLN210-7 |
| Item Name | Nut,self-Locking,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.437 INCHES IN |
| Nut Thickness | 0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Drive Point Quantity | 12 |
| Nut Style | SPLINE DRIVE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL ALLOY 718 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| SLN210-7 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| SP52350-7 | Howmet Global Fastening Systems Inc (USA) |
| 3M1105-7 PRIMARY | The Boeing Company Div Defense (USA) |
| BH1105-7 | Bristol Industries, Llc (USA) |
| 82753-720 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| VN3400YL070 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-481-9350 is a Nut,self-Locking,round, manufactured by Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-481-9350 has 5 manufacturer part numbers on file: SLN210-7 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), SP52350-7 (Howmet Global Fastening Systems Inc), 3M1105-7 (The Boeing Company Div Defense), BH1105-7 (Bristol Industries, Llc), 82753-720 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for SLN210-7: Lubrication: DRY FILM LUBRICANT; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Criticality Code Justification: AGAV; Material Document and Classification: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.