The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-544-3528, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-544-3528 |
| Primary Part Number | MIL-DTL-1222 TYII GR400 STY A/BL |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZX |
| Departure From Cited Designator | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| 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 |
|---|---|
| MIL-DTL-1222 TYII GR400 STY A/BL | Naval Inventory Control Point Mechanicsburg (USA) |
| 211035252L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 595-6401000 FIND 50L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 595-6401000 FIND 50 | 3/1 Design control — primary reference Naval Sea Systems Command |
| MIL-DTL-1222 TYII GR400 STY A/B | 4/1 Identification reference U.S. Government activity |
| 211035252 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5310-01-544-3528 is a Nut,plain,hexagon, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-544-3528 has 3 manufacturer part numbers on file: MIL-DTL-1222 TYII GR400 STY A/BL (Naval Inventory Control Point Mechanicsburg), 211035252L1 (Naval Inventory Control Point Mechanicsburg), 595-6401000 FIND 50L1 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-544-3615. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-DTL-1222 TYII GR400 STY A/BL: Criticality Code Justification: ZZZX; Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Part Name Assigned by Controlling Agency: (DRAWING), NUT HEXAGON; End Item Identification: WATER CYLINDER ASSEMBLY. 2 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.