The Push on Nut, cataloged under National Stock Number 5310-01-023-8239, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rotor Clip Company, Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-023-8239 |
| Primary Part Number | 5105-12-S-MD |
| Item Name | Push on Nut |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rotor Clip Company, Inc. |
| Status | ACTIVE |
| Material Thickness | 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN |
| Nut Diameter | 0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Mating Member Diameter Accommodated | 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND DICHROMATE OVERALL |
| Nut Style | PUSH ON |
| Material | STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090 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 |
|---|---|
| 999A111 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| 5105-12-S-MD PRIMARY | Rotor Clip Company, Inc. (USA) |
| 5105-12MD PRIMARY | Rotor Clip Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1405-12CD | 5/9 Secondary reference Seeger Inc Anderton-United Products Div |
| 5105-12MD | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| 999A111 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
| 6100-12STCD | 5/9 Secondary reference U.S. Government activity |
| 1322OE3839 | 7/2 Vendor item drawing reference U.S. Government activity |
| 5105-12-S-MD | 3/9 Design control — primary reference Truarc Company Llc Dba Waldes Truarc |
NSN 5310-01-023-8239 is a Push on Nut, manufactured by Rotor Clip Company, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-023-8239 has 3 manufacturer part numbers on file: 999A111 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 5105-12-S-MD (Rotor Clip Company, Inc.), 5105-12MD (Rotor Clip Company, Inc.).
Key specifications for 5105-12-S-MD: Material Thickness: 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN; Nut Diameter: 0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN; Mating Member Diameter Accommodated: 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN; Surface Treatment: CADMIUM AND DICHROMATE OVERALL. 6 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.