The Ring,retaining, cataloged under National Stock Number 5325-00-123-8720, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5325-00-123-8720 |
| Primary Part Number | 3M336-4 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | The Boeing Company Div Defense |
| Status | CANCELLED |
| Material | COBALT |
| Material Document and Classification | COBALT /ELGILOY/ 92215 MFR REF SINGLE MATERIAL RESPONSE |
| Material Diameter | 0.024 INCHES NOMINAL IN |
| Usage Design | EXTERNAL |
| Inside Diameter | 0.193 INCHES NOMINAL IN |
| Outside Diameter | 0.330 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Cross-Sectional Shape Style | ROUND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3M336-4 PRIMARY | The Boeing Company Div Defense (USA) |
| 1943-4 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| 1943-4 | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
| 1943-4 | Howmet Global Fastening Systems Inc Div Torrance Operations (USA) |
NSN 5325-00-123-8720 is a Ring,retaining, manufactured by The Boeing Company Div Defense, classified under FSC 5325 (No Item Name Available). Status: cancelled.
NSN 5325-00-123-8720 has 4 cross-referenced part numbers: 3M336-4 (The Boeing Company Div Defense), 1943-4 (Fairchild Fasteners Europe - Vsd Gmbh), 1943-4 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana), 1943-4 (Howmet Global Fastening Systems Inc Div Torrance Operations).
There are 6 known substitutes for 5325-00-123-8720: 5120-00-098-4456, 5325-00-124-2371, 5945-00-456-4143 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3M336-4: Material: COBALT; Material Document and Classification: COBALT /ELGILOY/ 92215 MFR REF SINGLE MATERIAL RESPONSE; Material Diameter: 0.024 INCHES NOMINAL IN; Usage Design: EXTERNAL. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 5325-00-123-8720 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.