The Insert,screw Thread, cataloged under National Stock Number 5325-01-130-0168, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Helical Wire Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-130-0168 |
| Primary Part Number | MS21209F0820L |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Helical Wire Inc |
| Status | ACTIVE |
| Length | 0.328 INCHES NOMINAL IN |
| Insert Size | 0.204 IN. MIN,0.224 IN. MAX FREE OD IN |
| Style Designator | COIL |
| Material Document and Classification | AMS 7245 ASSN STD SINGLE MATERIAL RESPONSE AND MIL-I-8846 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.164 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING 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 | F |
| Part Number | Manufacturer |
|---|---|
| MS21209F0820L | Helical Wire Inc (USA) |
| MS21209F0820L | Howmet Global Fastening Systems Inc (USA) |
| MS21209F0820L | Kato Fastening Systems, Inc. (USA) |
| MS21209F0820L | Stanley Engineered Fastening Llc (USA) |
| Reference | Meaning |
|---|---|
| MS21209F0820L | 5/9 Secondary reference U.S. Government activity |
| NASM21209 | 3/1 Design control — primary reference U.S. Government activity |
| MS21209F0820L | 3/2 Design control — primary reference U.S. Government activity |
| 3591-2CNW 0328 | 5/9 Secondary reference Stanley Engineered Fastening Llc |
| 3591-2CNW328 | 5/1 Secondary reference Stanley Engineered Fastening Llc |
NSN 5325-01-130-0168 is a Insert,screw Thread, manufactured by Helical Wire Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-130-0168 has 4 manufacturer part numbers on file: MS21209F0820L (Helical Wire Inc), MS21209F0820L (Howmet Global Fastening Systems Inc), MS21209F0820L (Kato Fastening Systems, Inc.), MS21209F0820L (Stanley Engineered Fastening Llc).
Key specifications for MS21209F0820L: Length: 0.328 INCHES NOMINAL IN; Insert Size: 0.204 IN. MIN,0.224 IN. MAX FREE OD IN; Style Designator: COIL; Material Document and Classification: AMS 7245 ASSN STD SINGLE MATERIAL RESPONSE AND MIL-I-8846 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.