The Ring,retaining, cataloged under National Stock Number 5325-00-980-3936, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-980-3936 |
| Primary Part Number | MIL-R-27426 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Ring Style | SPIRAL |
| Inside Diameter | 8.637 INCHES MINIMUM AND 8.707 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM |
| 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 |
| Strength Rating | ERR-060 |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 9.379 INCHES MINIMUM AND 9.461 INCHES MAXIMUM IN |
| Major Thickness | 0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-R-27426 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M27426-1239A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 18906 | Kollmorgen Corp (USA) |
| RS-900 | Spirolox Inc (USA) |
NSN 5325-00-980-3936 is a Ring,retaining, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-00-980-3936 has 4 cross-referenced part numbers: MIL-R-27426 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M27426-1239A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 18906 (Kollmorgen Corp), RS-900 (Spirolox Inc).
There are 6 known substitutes for 5325-00-980-3936: 4720-00-187-4102, 4820-00-313-1141, 5310-00-364-4431 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-R-27426: Ring Style: SPIRAL; Inside Diameter: 8.637 INCHES MINIMUM AND 8.707 INCHES MAXIMUM IN; Casehardening Indicator: NOT CASEHARDENED; Material Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM. 11 total characteristics are documented in the Federal Logistics Information System.