The Nut,plain,spline, cataloged under National Stock Number 5310-00-801-6587, 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 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-801-6587 |
| Primary Part Number | 10947099 |
| Item Name | Nut,plain,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Diameter | 0.688 INCHES NOMINAL IN |
| Pilot Diameter | 0.530 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN |
| Pilot Length | 0.117 INCHES NOMINAL IN |
| Nut Height | 0.310 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OR CHROMATE OVERALL |
| Nut Style | SPLINE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| 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 |
|---|---|
| 10947099 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| 7044630 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| LN1012 | 5/9 Secondary reference Kohut Enterprises, Inc. Dba Mel-Ba Manufacturing |
| 3-8-16-123 | 5/9 Secondary reference Lamson and Sessions Co the |
NSN 5310-00-801-6587 is a Nut,plain,spline, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-801-6587 has 2 manufacturer part numbers on file: 10947099 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 7044630 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-391-4155. Verify interchangeability with system specifications before substitution.
Key specifications for 10947099: Surface Treatment Document and Classification: QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633 ASSN STD 2ND TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN. 13 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.