The Nut,plain,round, cataloged under National Stock Number 5310-00-913-1698, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Kito Mfg Co. Ltd. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-913-1698 |
| Primary Part Number | 544652 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Kito Mfg Co. Ltd |
| Status | ACTIVE |
| Thread Series | UNF |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | MIL-S-6049 COND C MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6323 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.375 INCHES IN |
| Nut Diameter | 1.930 INCHES MINIMUM AND 1.950 INCHES MAXIMUM IN |
| Drive Point Depth | 0.200 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Nut Thickness | 0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Small End Diameter | 1.830 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN |
| Countersink Angle | 88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM FIRST END |
| Countersink Angle | 88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM SECOND END |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 544652 | Kito Mfg Co. Ltd (JPN) |
| 544652 | Golden Bear Equipment Corp (USA) |
| Reference | Meaning |
|---|---|
| 544652 | 5/9 Secondary reference Kito Mfg Co. Ltd |
| 544652 | 3/9 Design control — primary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 544652 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 5310-00-913-1698 is a Nut,plain,round, manufactured by Kito Mfg Co. Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-913-1698 has 2 manufacturer part numbers on file: 544652 (Kito Mfg Co. Ltd), 544652 (Golden Bear Equipment Corp).
Key specifications for 544652: Thread Series: UNF; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Material Document and Classification: MIL-S-6049 COND C MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6323 ASSN STD 1ST MATERIAL RESPONSE OVERALL; Drive Point Width: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN. 17 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.