The Ring,retaining, cataloged under National Stock Number 5325-00-282-6303, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Spirolox Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-282-6303 |
| Primary Part Number | RR412 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Spirolox Inc |
| Status | ACTIVE |
| Ring Style | SPECIAL FLAT |
| Outside Diameter | 4.284 INCHES NOMINAL IN |
| Strength Rating | ERR-060 |
| Material | STEEL |
| Material Document and Classification | FED STD 66,AISI C1070 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Usage Design | INTERNAL |
| Casehardening Indicator | NOT CASEHARDENED |
| Inside Diameter | 3.848 INCHES NOMINAL IN |
| Major Thickness | 0.061 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 619D136 PIECE 7 | General Electric Co Naval and Drive Turbine Systems Dept (USA) |
| 626-001-9285 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| RR412 PRIMARY | Spirolox Inc (USA) |
| 619D136-7 | General Electric Co Naval and Drive Turbine Systems Dept (USA) |
| B0375-020 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5325-00-282-6303 is a Ring,retaining, manufactured by Spirolox Inc, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-00-282-6303 has 5 cross-referenced part numbers: 619D136 PIECE 7 (General Electric Co Naval and Drive Turbine Systems Dept), 626-001-9285 (Honeywell International Inc. Div Aerospace - Torrance), RR412 (Spirolox Inc), 619D136-7 (General Electric Co Naval and Drive Turbine Systems Dept), B0375-020 (Zf Industrieantriebe Witten Gmbh).
There are 3 known substitutes for 5325-00-282-6303: 5310-00-817-0994, 5340-00-830-3471, 5325-01-481-6028. Verify interchangeability with system specifications before substitution.
Key specifications for RR412: Ring Style: SPECIAL FLAT; Outside Diameter: 4.284 INCHES NOMINAL IN; Strength Rating: ERR-060; Material: STEEL. 10 total characteristics are documented in the Federal Logistics Information System.