The Nut,plain,round, cataloged under National Stock Number 5310-01-143-6557, 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 16 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through both NSN and commercial part number lookups. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-143-6557 |
| Primary Part Number | 74A410862-2001 |
| 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 | PS13201,TY 2,CL 1,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Material Document and Classification | QQ-A-225/9,T73 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/11,T73 OR T73510 OR T73511 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.375 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 5.000 INCHES IN |
| Nut Diameter | 5.500 INCHES NOMINAL IN |
| Drive Point Depth | 0.125 INCHES NOMINAL IN |
| Nut Thickness | 0.375 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Countersink Angle | 110.0 DEGREES NOMINAL BOTH ENDS |
| Drive Point Quantity | 4 |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| 74A410862-2001 PRIMARY | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 74A410862-2001 | Safran Landing Systems Canada Inc. (CAN) |
| Reference | Meaning |
|---|---|
| 74A410862-2001 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 74A410862-2001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A410862-2001 | 5/9 Secondary reference Heroux-Devtek Inc |
| 10109793 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A410862-2001 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 74A410862-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A410862-2001 | C/1 Advisory reference — outside the item-of-supply concept Israel Aerospace Industries Ltd.shl-Aero Assemblies Division |
| 74A410862-2001 | 5/9 Secondary reference Nassau Tool Works, Inc |
| 74A410862-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A410862-2001 | 5/9 Secondary reference U.S. Government activity |
| 74A410862-2001 | 5/9 Secondary reference Hdi Landing Gear Usa Inc |
| 74A410862-2001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A410862-2001 | 5/9 Secondary reference Israel Aircraft Industries Ltd Marketing Directorate |
| 74A410862-2001 | C/1 Advisory reference — outside the item-of-supply concept Circor Aerospace, Inc. Div Circor |
NSN 5310-01-143-6557 is a Nut,plain,round, manufactured by Cm Manufacturing Inc Dba Cm Manufacturing Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-143-6557 has 2 manufacturer part numbers on file: 74A410862-2001 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 74A410862-2001 (Safran Landing Systems Canada Inc.).
Key specifications for 74A410862-2001: Surface Treatment Document and Classification: PS13201,TY 2,CL 1,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT (UNJ); Material Document and Classification: QQ-A-225/9,T73 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/11,T73 OR T73510 OR T73511 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Drive Point Width: 0.375 INCHES NOMINAL IN. 16 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.