The Stud,plain, cataloged under National Stock Number 5307-01-552-9056, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-01-552-9056 |
| Primary Part Number | 120-279M |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Saturn Fasteners Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | 96906-MIL-DTL-13924 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Special Test Features | PITCH DIAMETER: OVERSIZE .2910"MAX, .2900"MIN,PD LEAD THREAD: .2854"MAX, .2834"MIN,MINOR DIAMETER: .2634"MAX, .2586"MIN |
| Material Document and Classification | AMS6414 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6325 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6327 ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.3125 INCHES NUT THREAD A IN |
| Nominal Thread Size | 0.3125 INCHES NUT THREAD B IN |
| Surface Treatment | OXIDE OVERALL |
| Thread Quantity Per Inch | 18 NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD B |
| Material | STEEL COMP 4340 OR STEEL COMP 8740 |
| 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 |
|---|---|
| 120-279M PRIMARY | Saturn Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| 120-279M | 3/2 Design control — primary reference U.S. Government activity |
| 120-279M | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5307-01-552-9056 is a Stud,plain, manufactured by Saturn Fasteners Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-552-9056 has 1 manufacturer part number on file: 120-279M (Saturn Fasteners Inc).
Key specifications for 120-279M: Surface Treatment Document and Classification: 96906-MIL-DTL-13924 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Special Test Features: PITCH DIAMETER: OVERSIZE .2910"MAX, .2900"MIN,PD LEAD THREAD: .2854"MAX, .2834"MIN,MINOR DIAMETER: .2634"MAX, .2586"MIN; Material Document and Classification: AMS6414 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6325 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6327 ASSN STD SINGLE MATERIAL RESPONSE; Nominal Thread Size: 0.3125 INCHES NUT THREAD A IN. 9 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.