The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-019-2427, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-019-2427 |
| Primary Part Number | 2240-632-SS-20 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | ASTM 582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Height | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| 2240-632-SS-20 | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (USA) |
| Reference | Meaning |
|---|---|
| 8575-SS-0632-7 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 338549-5 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 8575-SS-0632-7 | C/1 Advisory reference — outside the item-of-supply concept Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| 70-266305-14 | C/1 Advisory reference — outside the item-of-supply concept General Dynamics Mission Systems, Inc. |
| 70-266305-14 | 5/9 Secondary reference Gte Government Systems Corp Strategic Systems Div |
| SM-A-569561-70 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-019-2427 is a Nut,plain,hexagon, manufactured by Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-019-2427 has 1 manufacturer part number on file: 2240-632-SS-20 (Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc).
Key specifications for 2240-632-SS-20: Width Across Flats: 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: ASTM 582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 13 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.