The Nut,plain,round, cataloged under National Stock Number 5310-00-856-9152, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-856-9152 |
| Primary Part Number | 452128 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Thread Series | UNEF |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6323 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.260 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.562 INCHES IN |
| Nut Diameter | 2.002 INCHES NOMINAL IN |
| Drive Point Depth | 0.090 INCHES NOMINAL IN |
| Nut Thickness | 0.380 INCHES NOMINAL IN |
| Drive Point Quantity | 8 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 8740 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 452128 | Kito Mfg Co. Ltd (JPN) |
| 452128 | Airtronics, Llc (USA) |
| 452128 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 452128 | 5/9 Secondary reference Kito Mfg Co. Ltd |
| 452128 | 5/9 Secondary reference Kwik File Storage Systems Llc |
| 452128 | 5/9 Secondary reference Accurate Threaded Products Company the |
NSN 5310-00-856-9152 is a Nut,plain,round, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-856-9152 has 3 manufacturer part numbers on file: 452128 (Kito Mfg Co. Ltd), 452128 (Airtronics, Llc), 452128 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 452128: Thread Series: UNEF; Criticality Code Justification: FEAT; Material Document and Classification: AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6323 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Drive Point Width: 0.260 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.