The Insert,screw Thread, cataloged under National Stock Number 5325-01-628-6418, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Acme Industrial Co Div Acme Industrial Company. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-628-6418 |
| Primary Part Number | 66356 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Acme Industrial Co Div Acme Industrial Company |
| Status | ACTIVE |
| Mounting Facility Diameter | 16.0 MILLIMETERS NOMINAL MM |
| Thread Tolerance Class | 6G EXTERNAL G |
| Mounting Facility Quantity | 4 |
| Length | 16.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.5 |
| Thread Length | 16.0 MILLIMETERS NOMINAL MM |
| Insert Size | M16X1.5 |
| Style Designator | KEYLOCK |
| Internal Thread Relief Depth | 1.5 MILLIMETERS NOMINAL MM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 16.0 MILLIMETERS MM |
| Full Internal Thread Length | 14.5 MILLIMETERS NOMINAL MM |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| 66356 PRIMARY | Acme Industrial Co Div Acme Industrial Company (USA) |
NSN 5325-01-628-6418 is a Insert,screw Thread, manufactured by Acme Industrial Co Div Acme Industrial Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-628-6418 has 1 manufacturer part number on file: 66356 (Acme Industrial Co Div Acme Industrial Company).
Key specifications for 66356: Mounting Facility Diameter: 16.0 MILLIMETERS NOMINAL MM; Thread Tolerance Class: 6G EXTERNAL G; Mounting Facility Quantity: 4; Length: 16.0 MILLIMETERS NOMINAL MM. 15 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.