The Nut,plain,round, cataloged under National Stock Number 5310-00-615-5995, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-615-5995 |
| Primary Part Number | 6155995 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Thread Series | UN |
| Hardness Rating | 16.0 ROCKWELL C MINIMUM AND 27.0 ROCKWELL C MAXIMUM |
| Thread Pitch Diameters | +0.9852 TO 0.9888 INCHES IN |
| Material Document and Classification | ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Nut Diameter | 1.640 INCHES MINIMUM AND 1.645 INCHES MAXIMUM IN |
| Drive Point Depth | 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Nut Thickness | 0.350 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE OVERALL |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1045 OR STEEL COMP 1137 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 |
|---|---|
| 6155995 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5310-00-615-5995 is a Nut,plain,round, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-615-5995 has 1 manufacturer part number on file: 6155995 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 6155995: Thread Series: UN; Hardness Rating: 16.0 ROCKWELL C MINIMUM AND 27.0 ROCKWELL C MAXIMUM; Thread Pitch Diameters: +0.9852 TO 0.9888 INCHES IN; Material Document and Classification: ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OVERALL. 15 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.