The Ring,retaining, cataloged under National Stock Number 5325-00-281-6467, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Spir-O-Lok Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5325-00-281-6467 |
| Primary Part Number | RST312 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Spir-O-Lok Inc |
| Status | CANCELLED |
| Cross-Sectional Shape Style | RECTANGULAR |
| Material | STEEL |
| Inside Diameter | 2.892 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Usage Design | EXTERNAL |
| Material Hardness Rating | 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Ring Style | EXTERNAL |
| Major Thickness | 0.093 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| RST312 | Spir-O-Lok Inc (USA) |
| E-N-312 | Eaton Corp Engineered Fasteners Div (USA) |
| 5100-312 | Rotor Clip Company, Inc. (USA) |
| 3100-312 | Rotor Clip Company, Inc. (USA) |
| T-N-312 | Eaton Corp Engineered Fasteners Div (USA) |
| 5100-312 | Truarc Company Llc Dba Waldes Truarc (USA) |
| 946021 | Amca Intl Corp Unit Crane Div (USA) |
| 3100-312 | Truarc Co Llc (USA) |
| N5100-312 | Zf Industrieantriebe Witten Gmbh (DEU) |
| MIL-DTL-21248 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS16624-312 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 3100-312ST | Rotor Clip Company, Inc. (USA) |
| RSN312 | Spir-O-Lok Inc (USA) |
| 3100-312ST | Truarc Co Llc (USA) |
NSN 5325-00-281-6467 is a Ring,retaining, manufactured by Spir-O-Lok Inc, classified under FSC 5325 (No Item Name Available). Status: cancelled.
NSN 5325-00-281-6467 has 14 cross-referenced part numbers: RST312 (Spir-O-Lok Inc), E-N-312 (Eaton Corp Engineered Fasteners Div), 5100-312 (Rotor Clip Company, Inc.), 3100-312 (Rotor Clip Company, Inc.), T-N-312 (Eaton Corp Engineered Fasteners Div) and 9 more.
There are 4 known substitutes for 5325-00-281-6467: 3040-00-007-5663, 6145-01-208-5457, 5950-01-294-7636 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for RST312: Cross-Sectional Shape Style: RECTANGULAR; Material: STEEL; Inside Diameter: 2.892 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 5325-00-281-6467 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.