The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-441-7085, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Macgregor Sweden Ab. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-441-7085 |
| Primary Part Number | 22-06691 ITEM 7 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Macgregor Sweden Ab |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 4.375 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Thread Class | 2B |
| Material | STEEL CORROSION RESISTING NUT |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Bearing Surface Type | CHAMFERED OR 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 |
|---|---|
| A4-3/8XUNC | Macgregor Sweden Ab (SWE) |
| 22-06691 ITEM 7 PRIMARY | Macgregor Sweden Ab (SWE) |
| Reference | Meaning |
|---|---|
| 22-06691 ITEM 7 | 3/9 Design control — primary reference Macgregor Sweden Ab |
| A4-3/8XUNC | 5/9 Secondary reference Macgregor Sweden Ab |
NSN 5310-01-441-7085 is a Nut,self-Locking,hexagon, manufactured by Macgregor Sweden Ab, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-441-7085 has 2 manufacturer part numbers on file: A4-3/8XUNC (Macgregor Sweden Ab), 22-06691 ITEM 7 (Macgregor Sweden Ab).
Key specifications for 22-06691 ITEM 7: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 4.375 INCHES IN; Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. 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.