The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-438-6577, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Morpac Industries, Inc Div Actuator. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-438-6577 |
| Primary Part Number | 10027PC13 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Morpac Industries, Inc Div Actuator |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 316 OVERALL |
| Bearing Surface Type | WASHER FACED |
| 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 |
|---|---|
| 10027PC13 PRIMARY | Morpac Industries, Inc Div Actuator (USA) |
| Reference | Meaning |
|---|---|
| HDW-70002 | 5/9 Secondary reference Morpac Industries, Inc Div Actuator |
NSN 5310-01-438-6577 is a Nut,self-Locking,hexagon, manufactured by Morpac Industries, Inc Div Actuator, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-438-6577 has 1 manufacturer part number on file: 10027PC13 (Morpac Industries, Inc Div Actuator).
Key specifications for 10027PC13: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN; Locking Feature: PREVAILING TORQUE ALL METAL DESIGN. 8 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.