The Nut,self-Locking,double Hexagon, cataloged under National Stock Number 5310-01-515-6344, 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 13 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-515-6344 |
| Primary Part Number | SLN125-V14PA |
| Item Name | Nut,self-Locking,double Hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Width Across Flats | 1.545 INCHES NOMINAL IN |
| Thread Tolerance Class | 38 INTERNAL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Nut Height | 1.185 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | DOUBLE HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 38 |
| Material | STEEL OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| SLN125-V14PA PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| SLN125-V14PA PRIMARY | Lerco Div Space-Lok Inc (USA) |
| BH00685-V14PA PRIMARY | Bristol Industries, Llc (USA) |
| H54656-V14PA | Fairchild Fasteners Fullerton Opns (USA) |
| SII1262V14 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| 94288-V1414PA PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HS4133-V14PA | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
| HS4133-V14PA | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5310-01-515-6344 is a Nut,self-Locking,double Hexagon, manufactured by Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-515-6344 has 6 manufacturer part numbers on file: SLN125-V14PA (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), SLN125-V14PA (Lerco Div Space-Lok Inc), BH00685-V14PA (Bristol Industries, Llc), H54656-V14PA (Fairchild Fasteners Fullerton Opns), SII1262V14 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries) and 1 more.
Key specifications for SLN125-V14PA: Lubrication: DRY FILM LUBRICANT; Width Across Flats: 1.545 INCHES NOMINAL IN; Thread Tolerance Class: 38 INTERNAL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 13 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.