The Insert,screw Thread, cataloged under National Stock Number 5325-01-399-4685, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Microdot Products. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-399-4685 |
| Primary Part Number | SPL9001-06 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Microdot Products |
| Status | ACTIVE |
| Length | 0.1700 INCHES NOMINAL IN |
| Thread Length | 0.1700 INCHES NOMINAL IN |
| Insert Size | 0.2160-28 |
| Style Designator | KEYLOCK |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Internal Thread Relief Depth | 0.1250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.2160 INCHES IN |
| Full Internal Thread Length | 0.1250 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 23 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| SPL9001-06 PRIMARY | Howmet Global Fastening Systems Inc. Div Microdot Products (USA) |
| Reference | Meaning |
|---|---|
| 8000320-001 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5325-01-399-4685 is a Insert,screw Thread, manufactured by Howmet Global Fastening Systems Inc. Div Microdot Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-399-4685 has 1 manufacturer part number on file: SPL9001-06 (Howmet Global Fastening Systems Inc. Div Microdot Products).
Key specifications for SPL9001-06: Length: 0.1700 INCHES NOMINAL IN; Thread Length: 0.1700 INCHES NOMINAL IN; Insert Size: 0.2160-28; Style Designator: KEYLOCK. 13 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.