The Insert,screw Thread, cataloged under National Stock Number 5325-01-376-2945, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-376-2945 |
| Primary Part Number | CTS310A-16 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Length | 0.620 INCHES NOMINAL IN |
| Thread Length | 0.520 INCHES NOMINAL IN |
| Insert Size | 0.750-16 |
| Style Designator | KEYLOCK |
| Internal Thread Relief Depth | 0.100 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Full Internal Thread Length | 0.520 INCHES NOMINAL IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| CTS310A-16 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| CTS310A-16 | 5/2 Secondary reference U.S. Government activity |
NSN 5325-01-376-2945 is a Insert,screw Thread, manufactured by The Boeing Company Div Defense, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-376-2945 has 1 manufacturer part number on file: CTS310A-16 (The Boeing Company Div Defense).
Key specifications for CTS310A-16: Length: 0.620 INCHES NOMINAL IN; Thread Length: 0.520 INCHES NOMINAL IN; Insert Size: 0.750-16; Style Designator: KEYLOCK. 12 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.