The Ring,retaining, cataloged under National Stock Number 5325-00-124-2371, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-124-2371 |
| Primary Part Number | 3M394-4 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Casehardening Indicator | NOT CASEHARDENED |
| Material Hardness Rating | 53.0 ROCKWELL C MINIMUM AND 58.9 ROCKWELL C MAXIMUM |
| Material | STEEL CORROSION RESISTING |
| Ring Style | CLOVER |
| Usage Design | EXTERNAL |
| Inside Diameter | 0.192 INCHES NOMINAL IN |
| Material Diameter | 0.024 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.350 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1943-4 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| 1944-4 | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
| 1944-4 | Howmet Global Fastening Systems Inc Div Torrance Operations (USA) |
| 1944-4 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| 1943-4 | Howmet Global Fastening Systems Inc Div Torrance Operations (USA) |
| 3M336-4 | The Boeing Company Div Defense (USA) |
| 3M394-4 PRIMARY | The Boeing Company Div Defense (USA) |
| 1943-4 | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
| 1944-4 | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
NSN 5325-00-124-2371 is a Ring,retaining, manufactured by The Boeing Company Div Defense, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-00-124-2371 has 9 cross-referenced part numbers: 1943-4 (Fairchild Fasteners Europe - Vsd Gmbh), 1944-4 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana), 1944-4 (Howmet Global Fastening Systems Inc Div Torrance Operations), 1944-4 (Fairchild Fasteners Europe - Vsd Gmbh), 1943-4 (Howmet Global Fastening Systems Inc Div Torrance Operations) and 4 more.
There are 10 known substitutes for 5325-00-124-2371: 5120-00-098-4456, 5325-00-123-8720, 5120-00-224-7375 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3M394-4: Casehardening Indicator: NOT CASEHARDENED; Material Hardness Rating: 53.0 ROCKWELL C MINIMUM AND 58.9 ROCKWELL C MAXIMUM; Material: STEEL CORROSION RESISTING; Ring Style: CLOVER. 9 total characteristics are documented in the Federal Logistics Information System.