The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-012-2198, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Chrysler Realty Company Llc Dba Daimler Chrysler. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-012-2198 |
| Primary Part Number | 122198 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Chrysler Realty Company Llc Dba Daimler Chrysler |
| Status | ACTIVE |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Departure From Cited Document | AS MODIFIED BY OVER-ALL HEIGHT |
| Nondefinitive Spec/std Data | A TYPE |
| Nut Height | 0.188 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| 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 |
|---|---|
| 122198 PRIMARY | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| 7403193 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 122198 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 122198 | 5/9 Secondary reference General Motors Corp |
| 355944S7 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 33909S7 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 3390957 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 122198 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| FFB571TYPEA | 4/1 Identification reference U.S. Government activity |
NSN 5310-00-012-2198 is a Nut,plain,hexagon, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-012-2198 has 3 manufacturer part numbers on file: 122198 (Chrysler Realty Company Llc Dba Daimler Chrysler), 7403193 (U S Army Tank Automotive Command Amsta-Im-Mm), 122198 (Rolls-Royce Solutions America Inc).
Key specifications for 122198: Width Across Flats: 0.500 INCHES NOMINAL IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.312 INCHES IN. 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.