The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-509-1545, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Klein Marine Systems Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-509-1545 |
| Primary Part Number | 12500089 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Klein Marine Systems Inc |
| Status | ACTIVE |
| Nominal Thread Size | 0.1900 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Thread Quantity Per Inch | 32 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-509-1545 is a Nut,self-Locking,hexagon, manufactured by Klein Marine Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-509-1545 has 2 manufacturer part numbers on file: 12500089 (Klein Marine Systems Inc), 91831A411 (Dillon Aero, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-581-1411. Verify interchangeability with system specifications before substitution.
Key specifications for 12500089: Nominal Thread Size: 0.1900 INCHES IN; Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT; End Item Identification: SQH-4B J-B0X; Thread Quantity Per Inch: 32. 3 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.