The Nut,plain,round, cataloged under National Stock Number 5310-01-175-9284, 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 13 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-175-9284 |
| Primary Part Number | 1881-49 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cm Manufacturing Inc Dba Cm Manufacturing Inc |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Material Document and Classification | QQ-A-225/9 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/11 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.500 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 5.625 INCHES IN |
| Nut Diameter | 6.500 INCHES NOMINAL IN |
| Drive Point Depth | 0.375 INCHES NOMINAL IN |
| Nut Thickness | 1.500 INCHES NOMINAL IN |
| Drive Point Quantity | 6 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Material | ALUMINUM ALLOY 7075 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 |
|---|---|
| 1881-49 | Es3 Prime Logistics Group Inc Dba Es3 Plg (USA) |
| 1881-49 PRIMARY | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 1881-49 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1881-49 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5310-01-175-9284 is a Nut,plain,round, manufactured by Cm Manufacturing Inc Dba Cm Manufacturing Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-175-9284 has 3 manufacturer part numbers on file: 1881-49 (Es3 Prime Logistics Group Inc Dba Es3 Plg), 1881-49 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 1881-49 (Goodrich Corporation).
Key specifications for 1881-49: Thread Series: UNIFIED NATIONAL JOINT (UNJ); Material Document and Classification: QQ-A-225/9 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/11 FED SPEC 2ND MATERIAL RESPONSE OVERALL; Drive Point Width: 0.500 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 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.