The Clip,retaining, cataloged under National Stock Number 5340-01-608-8075, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-608-8075 |
| Primary Part Number | ST3M446-8 |
| Item Name | Clip,retaining |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Style Designator | PIN |
| Material Document and Classification | 35, ASSOCIATED SPRING CORP MFR REF 1ST MATERIAL RESPONSE OR 18-2MN, ARMCO STEEL CORP MFR REF 2ND MATERIAL RESPONSE |
| Stock Diameter | 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | PASSIVATE |
| Width | 0.936 INCHES NOMINAL IN |
| Material | STEEL OR STEEL COMP XM-28 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
NSN 5340-01-608-8075 is a Clip,retaining, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-608-8075 has 3 manufacturer part numbers on file: ST3M446-8 (Bristol Industries, Llc), K49300-8 (Howmet Global Fastening Systems Inc), ST3M446-8 (The Boeing Company Div Defense).
Key specifications for ST3M446-8: Overall Height: 0.725 INCHES NOMINAL IN; Style Designator: PIN; Material Document and Classification: 35, ASSOCIATED SPRING CORP MFR REF 1ST MATERIAL RESPONSE OR 18-2MN, ARMCO STEEL CORP MFR REF 2ND MATERIAL RESPONSE; Stock Diameter: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN. 7 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.