The Nut,plain,round, cataloged under National Stock Number 5310-00-561-2001, 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 Watervliet Arsenal Div Business Development. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-561-2001 |
| Primary Part Number | 7309158 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Thread Series | UNF |
| Drive Point Width | 0.109 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Diameter | 0.605 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Drive Point Depth | 0.125 INCHES NOMINAL IN |
| Undercut Thickness | 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Nut Thickness | 0.812 INCHES NOMINAL IN |
| Small End Diameter | 0.496 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL 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 |
|---|---|
| 7309158 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
| 8769450 | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
| 730999 | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
| 7309258 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 8769067 | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 5310-00-561-2001 is a Nut,plain,round, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-561-2001 has 5 manufacturer part numbers on file: 7309158 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development), 8769450 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development), 730999 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development), 7309258 (U S Army Tank Automotive Command Amsta-Im-Mm), 8769067 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
2 possible matches (shared part number, not a government interchangeability claim): 1030-00-620-6498, 5905-00-683-7567. Verify interchangeability with system specifications before substitution.
Key specifications for 7309158: Thread Series: UNF; Drive Point Width: 0.109 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN. 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.