The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-145-2127, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-145-2127 |
| Primary Part Number | 8104-A-0440-1B |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| Status | ACTIVE |
| Width Across Flats | 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES0.112 INCHES IN |
| Nut Height | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALLANODIZE OVERALL |
| Nut Style | HEXAGONHEXAGON |
| Thread Class | 2B2B |
| Thread Quantity Per Inch | 4040 |
| Material | ALUMINUM ALLOY 2011 OVERALL |
| Bearing Surface Type | FLATFLAT |
| 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 |
|---|---|
| 8104-A-0440-1B PRIMARY | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| Reference | Meaning |
|---|---|
| 53251-404 | 5/2 Secondary reference U.S. Government activity |
| 8104-A-0440-1B | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
NSN 5310-01-145-2127 is a Nut,plain,hexagon, manufactured by Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-145-2127 has 1 manufacturer part number on file: 8104-A-0440-1B (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware).
Key specifications for 8104-A-0440-1B: Width Across Flats: 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-A-225/3,T3 FED SPEC 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.