The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-520-6810, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Core Industries Inc. Dba Mueller Steam Specialty. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-520-6810 |
| Primary Part Number | FN-.50-1611BC600-3-X |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Core Industries Inc. Dba Mueller Steam Specialty |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | ASTM-A194-2003B ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Surface Treatment | PAINT OVERALL |
| Thread Class | 2B |
| Thread Quantity Per Inch | 13 |
| Material | STEEL 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 |
|---|---|
| FN-.50-1611BC600-3-X PRIMARY | Core Industries Inc. Dba Mueller Steam Specialty (USA) |
| AN-.50-862BC-U1ITEM6 | Core Industries Inc. Dba Mueller Steam Specialty (USA) |
NSN 5310-01-520-6810 is a Nut,plain,hexagon, manufactured by Core Industries Inc. Dba Mueller Steam Specialty, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-520-6810 has 2 manufacturer part numbers on file: FN-.50-1611BC600-3-X (Core Industries Inc. Dba Mueller Steam Specialty), AN-.50-862BC-U1ITEM6 (Core Industries Inc. Dba Mueller Steam Specialty).
Key specifications for FN-.50-1611BC600-3-X: Thread Series: UNIFIED NATIONAL COARSE (UNC); Hardness Rating: 24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM; Material Document and Classification: ASTM-A194-2003B ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 9 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.