The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-709-1489, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Insitu Pacific Pty Ltd. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-709-1489 |
| Primary Part Number | M45913/3-8FS6 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Insitu Pacific Pty Ltd |
| Status | ACTIVE |
| Thread Series | UNFUNF |
| Nominal Thread Size | 0.500 INCHES0.500 INCHES IN |
| Locking Feature | SELF-LOCKINGSELF-LOCKING |
| Nut Style | HEXAGONHEXAGON |
| Thread Class | 3B3B |
| Thread Quantity Per Inch | 2020 |
| Material | STEEL COMP 316 OVERALL |
| 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 |
|---|---|
| M45913/3-8FS6 | Insitu Pacific Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| M45913/3-8FS6 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-709-1489 is a Nut,self-Locking,hexagon, manufactured by Insitu Pacific Pty Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-709-1489 has 1 manufacturer part number on file: M45913/3-8FS6 (Insitu Pacific Pty Ltd).
Key specifications for M45913/3-8FS6: Thread Series: UNFUNF; Nominal Thread Size: 0.500 INCHES0.500 INCHES IN; Locking Feature: SELF-LOCKINGSELF-LOCKING; Nut Style: HEXAGONHEXAGON. 7 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.