The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-481-6033, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dante Valve Company. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-481-6033 |
| Primary Part Number | D4200 ITEM 23 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | ASTMB21 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY OVERALL |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| D4200 ITEM 23 | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| D4200 ITEM 23 | 5/9 Secondary reference Danco Valve Company |
| B42011 | 3/1 Design control — primary reference Dante Valve Company |
| B42011 | 5/9 Secondary reference Danco Valve Company |
| B42011CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 5310-01-481-6033 is a Nut,plain,hexagon, manufactured by Dante Valve Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-481-6033 has 1 manufacturer part number on file: D4200 ITEM 23 (Dante Valve Company).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-733-1148. Verify interchangeability with system specifications before substitution.
Key specifications for D4200 ITEM 23: Criticality Code Justification: ZZZY; Material Document and Classification: ASTMB21 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; End Item Identification: VALVE RELIEF; Material: COPPER ALLOY OVERALL. 4 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.