The Nut,plain,round, cataloged under National Stock Number 5310-00-185-6342, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 33 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-185-6342 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Thread Series | UNS |
| Hardness Rating | 66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM |
| Thread Pitch Diameters | +3.6759 TO 3.6833 INCHES IN |
| Drive Point Width | 0.375 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.730 INCHES IN |
| Nut Diameter | 4.9375 INCHES NOMINAL IN |
| Drive Point Depth | 0.1563 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS |
| Nut Thickness | 0.7188 INCHES NOMINAL IN |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 1005 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AN19 | 5/9 Secondary reference Skf Usa Inc. |
| EC8000BPCEC7535 | 5/9 Secondary reference Capitol Gears Inc |
| 12Z335-26 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 127722 | 5/1 Secondary reference General Motors Corp |
| AN19 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| AN19 | 5/9 Secondary reference U.S. Government activity |
| BS03992 | 5/9 Secondary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
| BS03992 | C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc |
| AN19 | 5/1 Secondary reference Schatz Bearing Corporation Dba Schatz Bearing Corp |
| N8240PCEC7535 | 5/9 Secondary reference Capitol Gears Inc |
| AN19 | 5/1 Secondary reference Federal-Mogul Corp Government Sales Dept |
| 89-352J | 5/1 Secondary reference U.S. Government activity |
| EC7535 | 5/9 Secondary reference Capitol Gears Inc |
| 72-6971-319 | C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc |
| 179205 | 5/1 Secondary reference General Motors Corp |
| N9775PC171 | 5/9 Secondary reference Capitol Gears Inc |
| N8260PCEC7535 | 5/9 Secondary reference Capitol Gears Inc |
| MS19068-191 | 2/2 Government specification standardization U.S. Government activity |
| MILN21337 | 4/1 Identification reference U.S. Government activity |
| AN19 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
NSN 5310-00-185-6342 is a Nut,plain,round, classified under FSC 5310, Nuts and Washers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 1560-00-386-4167, 4720-01-499-4471. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-185-6342: Thread Series: UNS; Hardness Rating: 66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM; Thread Pitch Diameters: +3.6759 TO 3.6833 INCHES IN; Drive Point Width: 0.375 INCHES NOMINAL IN. 14 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.