The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-617-4127, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Nil-Cor, Llc. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-617-4127 |
| Primary Part Number | 845-8219247-51 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Nil-Cor, Llc |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | IL-N-25027 MIL SPEC 10TH MATERIAL RESPONSE AND SME Y14.5 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nondefinitive Spec/std Data | 2.500 SIZE AND 2A CLASS A |
| Nut Style | INTERNAL OR EXTERNAL WRENCHING HEXAGON |
| Thread Quantity Per Inch | 16 |
| Material | NICKEL AND COPPER NUT |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 845-8219247 51 | Naval Sea Systems Command (USA) |
| 845-8219247-51 PRIMARY | Nil-Cor, Llc (USA) |
| 845-8219247 ITEM NO. 51 | Naval Sea Systems Command (USA) |
NSN 5310-01-617-4127 is a Nut,self-Locking,hexagon, manufactured by Nil-Cor, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-617-4127 has 3 manufacturer part numbers on file: 845-8219247 51 (Naval Sea Systems Command), 845-8219247-51 (Nil-Cor, Llc), 845-8219247 ITEM NO. 51 (Naval Sea Systems Command).
Key specifications for 845-8219247-51: Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: IL-N-25027 MIL SPEC 10TH MATERIAL RESPONSE AND SME Y14.5 ASSN STD SINGLE MATERIAL RESPONSE NUT; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN. 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.