The Nut,plain,round, cataloged under National Stock Number 5310-01-102-8858, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-102-8858 |
| Primary Part Number | 70105-08057-102 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Material Document and Classification | QQ-A-200-9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.000 INCHES IN |
| Undercut Thickness | 0.320 INCHES NOMINAL IN |
| Nut Thickness | 0.420 INCHES NOMINAL IN |
| Small End Diameter | 3.220 INCHES NOMINAL IN |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| 70105-08057-102 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 70105-08057-101 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 5310-01-102-8858 is a Nut,plain,round, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-102-8858 has 1 manufacturer part number on file: 70105-08057-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70105-08057-102: Thread Series: UNIFIED NATIONAL JOINT (UNJ); Material Document and Classification: QQ-A-200-9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Drive Point Width: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND. 12 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.