The Stud,aircraft,mater, cataloged under National Stock Number 5307-01-552-9061, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Saturn Fasteners Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-552-9061 |
| Primary Part Number | 120-279N |
| Item Name | Stud,aircraft,mater |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Saturn Fasteners Inc |
| Status | ACTIVE |
| Overall Diameter | 0.2930 INCHES MINIMUM AND 0.2940 INCHES MAXIMUM IN |
| General Characteristics Item Description | PITCH DIAMETER:0.2930" TO 0.2940", PD LEAD THREAD: 0.2864" TO 0.2884",MINOR DIAMETER: 0.2616" TO 0.2664" |
| Special Test Features | LEFT SIDE: 0.3125-18UNJS PER AS8879 CHAMFER END, 0.739" MIN,RIGHT SIDE: 0.3125-24UNJF-3A 0.420" MIN,MIDDLE DIAMETER 0.279" TO 0.289" A |
| Supplementary Features | HEAT TREATMENT: 180-200 KSI ULTIMATE TENSILE STRENGTH PER AMS2759, FINISH: CHEMICAL BLACK OXIDE PER MIL-DTL-13924 |
| Surface Treatment | OXIDE |
| Material | STEEL |
| Thread Size and Series/type Designator | 0.3125-24 UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| 120-279N PRIMARY | Saturn Fasteners Inc (USA) |
| 120-279N PRIMARY | United Precision Products Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 120-279N | 3/2 Design control — primary reference U.S. Government activity |
| 120-279N | 5/9 Secondary reference Mecair Aerospace Industries,subsidiary of Spstechnologiesdiv Division of Sps Technologiesdba Mecair Inc. Div Division of Sps Technologies |
| 120-279N | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5307-01-552-9061 is a Stud,aircraft,mater, manufactured by Saturn Fasteners Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-552-9061 has 2 manufacturer part numbers on file: 120-279N (Saturn Fasteners Inc), 120-279N (United Precision Products Co., Inc.).
Key specifications for 120-279N: Overall Height: 0.3160 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN; Overall Diameter: 0.2930 INCHES MINIMUM AND 0.2940 INCHES MAXIMUM IN; General Characteristics Item Description: PITCH DIAMETER:0.2930" TO 0.2940", PD LEAD THREAD: 0.2864" TO 0.2884",MINOR DIAMETER: 0.2616" TO 0.2664"; Special Test Features: LEFT SIDE: 0.3125-18UNJS PER AS8879 CHAMFER END, 0.739" MIN,RIGHT SIDE: 0.3125-24UNJF-3A 0.420" MIN,MIDDLE DIAMETER 0.279" TO 0.289" A. 7 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.