The Nut,plain,round, cataloged under National Stock Number 5310-01-019-0946, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cm Manufacturing Inc Dba Cm Manufacturing Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-019-0946 |
| Primary Part Number | 19183-1 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cm Manufacturing Inc Dba Cm Manufacturing Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Hole Configuration Style | CONFIGURATION G |
| Material Document and Classification | QQ-A-225/4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/12 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.260 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.875 INCHES IN |
| Nut Diameter | 4.520 INCHES NOMINAL IN |
| Drive Point Depth | 0.190 INCHES NOMINAL IN |
| Nut Thickness | 0.375 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 7075 OVERALL |
| Hole Type and Quantity | 4 DRILLED |
| 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 |
|---|---|
| 19183-1 PRIMARY | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 19183-1 | Goodrich Corporation (USA) |
| 19183-1 | Goodrich Aerospace Canada Ltd (CAN) |
| 19183-1 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 19183-1 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5310-01-019-0946 is a Nut,plain,round, manufactured by Cm Manufacturing Inc Dba Cm Manufacturing Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-019-0946 has 4 manufacturer part numbers on file: 19183-1 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 19183-1 (Goodrich Corporation), 19183-1 (Goodrich Aerospace Canada Ltd), 19183-1 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-246-6661, 5995-01-589-8225. Verify interchangeability with system specifications before substitution.
Key specifications for 19183-1: Surface Treatment Document and Classification: MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT (UNJ); Hole Configuration Style: CONFIGURATION G; Material Document and Classification: QQ-A-225/4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/12 FED SPEC 2ND MATERIAL RESPONSE OVERALL. 18 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.