The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-203-0239, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fluid Handling Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-203-0239 |
| Primary Part Number | 110M1054A4 PIECE 7 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fluid Handling Llc |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.625 INCHES IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 11 |
| Material | NICKEL ALLOY R-405 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 |
|---|---|
| 110M1054A4 PIECE 7 PRIMARY | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 110M1054AY PIECE 7 | C/1 Advisory reference — outside the item-of-supply concept Itt Corporation Dba Itt Standard |
| 110M1054AY PIECE 7 | C/1 Advisory reference — outside the item-of-supply concept Fluid Handling Llc |
| 110M1054A4-7 | C/1 Advisory reference — outside the item-of-supply concept Fluid Handling Llc |
| 110M1054A4-7 | C/1 Advisory reference — outside the item-of-supply concept Itt Corporation Dba Itt Standard |
| 110M1054A4 PIECE 7 | 3/9 Design control — primary reference Itt Corporation Dba Itt Standard |
NSN 5310-01-203-0239 is a Nut,plain,hexagon, manufactured by Fluid Handling Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-203-0239 has 1 manufacturer part number on file: 110M1054A4 PIECE 7 (Fluid Handling Llc).
Key specifications for 110M1054A4 PIECE 7: Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.625 INCHES IN. 8 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.