The Ring,retaining, cataloged under National Stock Number 5325-00-570-1139, 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 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5325-00-570-1139 |
| Primary Part Number | RR283 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Spirolox Inc |
| Status | CANCELLED |
| Casehardening Indicator | NOT CASEHARDENED |
| Inside Diameter | 2.618 INCHES NOMINAL IN |
| Ring Style | SPECIAL FLAT |
| Strength Rating | ERR-060 |
| Material | STEEL |
| Material Document and Classification | SAE 1070 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 2.954 INCHES NOMINAL IN |
| Major Thickness | 0.049 INCHES NOMINAL IN |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SCD181715-19 | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| 50104 | Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA) |
| RR283 PRIMARY | Spirolox Inc (USA) |
| 626-001-9207 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| WH-283 | Smalley Steel Ring Co. (USA) |
NSN 5325-00-570-1139 is a Ring,retaining, manufactured by Spirolox Inc, classified under FSC 5325 (No Item Name Available). Status: cancelled.
NSN 5325-00-570-1139 has 5 cross-referenced part numbers: SCD181715-19 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 50104 (Allard Nazarian Group, Inc. Dba Granite State Manufacturing), RR283 (Spirolox Inc), 626-001-9207 (Honeywell International Inc. Div Aerospace - Torrance), WH-283 (Smalley Steel Ring Co.).
There are 12 known substitutes for 5325-00-570-1139: 5340-00-197-0385, 5330-00-592-8173, 4320-00-803-5535 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for RR283: Casehardening Indicator: NOT CASEHARDENED; Inside Diameter: 2.618 INCHES NOMINAL IN; Ring Style: SPECIAL FLAT; Strength Rating: ERR-060. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5325-00-570-1139 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.