The Nut,plain,round, cataloged under National Stock Number 5310-01-043-5793, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-043-5793 |
| Primary Part Number | CA27030-10 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Thread Pitch Diameters | +0.5889 TO 0.5934 INCHES IN |
| Material Document and Classification | QQ-S-764 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nut Counterbore Depth | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM NUT IN |
| Drive Point Width | 0.157 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.625 INCHES IN |
| Nut Diameter | 1.030 INCHES NOMINAL IN |
| Counterbore Diameter | 0.900 INCHES MINIMUM AND 0.910 INCHES MAXIMUM NUT IN |
| Drive Point Depth | 0.182 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN |
| Nut Thickness | 0.891 INCHES MINIMUM AND 0.911 INCHES MAXIMUM IN |
| Countersink Angle | 90.0 DEGREES NOMINAL NUT |
| Drive Point Quantity | 6 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 303 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 |
|---|---|
| CA27030-10 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| GN512GS10 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| AS216-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-043-5793 is a Nut,plain,round, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-043-5793 has 1 manufacturer part number on file: CA27030-10 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA27030-10: Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Thread Pitch Diameters: +0.5889 TO 0.5934 INCHES IN; Material Document and Classification: QQ-S-764 ASSN STD ALL MATERIAL RESPONSES OVERALL; Nut Counterbore Depth: 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM NUT IN. 17 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.