The Nrp,bolt,hex Head, cataloged under National Stock Number 5306-01-623-2918, is classified within Federal Supply Class 5306 (Bolts) 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 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-623-2918 |
| Primary Part Number | 0.563-12UNC-2AX2.25INCONELD5 |
| Item Name | Nrp,bolt,hex Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZW |
| Departure From Cited Document | MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES |
| 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 |
|---|---|
| 0.563-12UNC-2AX2.25INCONELD5 | Naval Inventory Control Point Mechanicsburg (USA) |
| MIL-DTL-1222 TY1 GR625D5 | Naval Inventory Control Point Mechanicsburg (USA) |
| 9/16-12UNC-2AX2.25INCON625D5 | Naval Inventory Control Point Mechanicsburg (USA) |
| 111-8540933 ITEM 11-5D5 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 111-8540933 ITEM 11-5 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 9/16-12UNC-2AX2.25INCON625 | 5/1 Secondary reference Fastenal Company Dba Fastenal Co |
| MIL-DTL-1222 TY1 GR625 | 4/1 Identification reference U.S. Government activity |
| 0.563-12UNC-2AX2.25INCONEL | 5/1 Secondary reference U.S. Government activity |
NSN 5306-01-623-2918 is a Nrp,bolt,hex Head, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-623-2918 has 4 manufacturer part numbers on file: 0.563-12UNC-2AX2.25INCONELD5 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222 TY1 GR625D5 (Naval Inventory Control Point Mechanicsburg), 9/16-12UNC-2AX2.25INCON625D5 (Naval Inventory Control Point Mechanicsburg), 111-8540933 ITEM 11-5D5 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 0.563-12UNC-2AX2.25INCONELD5: Criticality Code Justification: ZZZW; Departure From Cited Document: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES; Special Features: THE ITEM IS A NON-AVIATION CRITICAL SAFETY ITEM WHOSE FAILURE WILL RES ULT IN SERIOUS DAMAGE TO EQUIPMENTS ORSERIOUS INJURY OR DEATH OT PERSONNEL. 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.