The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-338-4316, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-338-4316 |
| Primary Part Number | ST3M472F5C2110M |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Drive Type | SLOTTED |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.560 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Stud Shank Major Diameter | 0.262 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Grip Length | 2.222 INCHES NOMINAL IN |
| 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 |
|---|---|
| ST3M472F5C2110M | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M472F5C2110M | Burnett William T and Co Inc (USA) |
| ST3M472F5C2110M PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M472F5C2110M | Monadnock Company, the Dba Lisi Aerospace (USA) |
| Reference | Meaning |
|---|---|
| TST3M472F5C2110M | 5/9 Secondary reference Burnett William T and Co Inc |
| 112034-2110 | 5/9 Secondary reference Monadnock Company, the Dba Lisi Aerospace |
| FIT7078F5C2110M | C/1 Advisory reference — outside the item-of-supply concept Fastener Innovation Technology, Inc. Dba F I T |
| F1T7078F5C2110M | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
| TST3M472F5C2110M | C/1 Advisory reference — outside the item-of-supply concept Trico Manufacturing Inc. |
NSN 5325-01-338-4316 is a Stud,turnlock Fastener, manufactured by The Boeing Company Div Defense, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-338-4316 has 4 manufacturer part numbers on file: ST3M472F5C2110M (Fastener Innovation Technology, Inc. Dba F I T), ST3M472F5C2110M (Burnett William T and Co Inc), ST3M472F5C2110M (The Boeing Company Div Defense), ST3M472F5C2110M (Monadnock Company, the Dba Lisi Aerospace).
Key specifications for ST3M472F5C2110M: Drive Type: SLOTTED; Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.560 INCHES NOMINAL IN; Turnlock Stud Head Style: FLAT COUNTERSUNK. 8 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.