The Nut,plain,cap, cataloged under National Stock Number 5310-01-487-4192, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Small Parts Manufacturing Co., Inc. Dba Spm. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-487-4192 |
| Primary Part Number | 18-54127-1 |
| Item Name | Nut,plain,cap |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Small Parts Manufacturing Co., Inc. Dba Spm |
| Status | ACTIVE |
| Width Across Flats | 0.312 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Height | 0.281 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Nut Style | CAP |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 18-54127-1 | Small Parts Inc. (USA) |
| 18-54127-1 PRIMARY | Small Parts Manufacturing Co., Inc. Dba Spm (USA) |
| 92718A007 | Mcmaster-Carr Supply Co (USA) |
| 92718A381 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 18-54127-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-487-4192 is a Nut,plain,cap, manufactured by Small Parts Manufacturing Co., Inc. Dba Spm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-487-4192 has 4 manufacturer part numbers on file: 18-54127-1 (Small Parts Inc.), 18-54127-1 (Small Parts Manufacturing Co., Inc. Dba Spm), 92718A007 (Mcmaster-Carr Supply Co), 92718A381 (Mcmaster-Carr Supply Co).
Key specifications for 18-54127-1: Width Across Flats: 0.312 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.138 INCHES IN. 10 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.