The Ring,retaining, cataloged under National Stock Number 5325-00-763-9328, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-763-9328 |
| Primary Part Number | RST-275 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Spirolox Inc |
| Status | ACTIVE |
| Outside Diameter | 2.950 INCHES MINIMUM AND 2.980 INCHES MAXIMUM IN |
| Strength Rating | ERR-060 |
| Material | STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090 |
| Material Document and Classification | FED STD 66, COMP 1070 FED STD 1ST MATERIAL RESPONSE AND FED STD 66, COMP 1072 FED STD 2ND MATERIAL RESPONSE AND FED STD 66, COMP 1074 FED STD 3RD MATERIAL RESPONSE AND FED STD 66, COMP 1075 FED STD 4TH MATERIAL RESPONSE AND FED STD 66, COMP 1078 FED STD 5TH MATERIAL RESPONSE AND FED STD 66, COMP 1080 FED STD 6TH MATERIAL RESPONSE AND FED STD 66, COMP 1084 FED STD 7TH MATERIAL RESPONSE AND FED STD 66, COMP 1085 FED STD 8TH MATERIAL RESPONSE AND FED STD 66, COMP 1086 FED STD 9TH MATERIAL RESPONSE AND FED STD 66, COMP 1090 FED STD 10TH MATERIAL RESPONSE |
| Ring Style | SPIRAL |
| Major Thickness | 0.090 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Usage Design | EXTERNAL |
| Casehardening Indicator | NOT CASEHARDENED |
| Inside Diameter | 2.574 INCHES MINIMUM AND 2.604 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5325-00-763-9328 is a Ring,retaining, manufactured by Spirolox Inc, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-00-763-9328 has 2 cross-referenced part numbers: RST-275 (Spirolox Inc), 11602908 (U S Army Tank Automotive Command Amsta-Im-Mm).
There is 1 known substitute for 5325-00-763-9328: 5325-00-803-9977. Verify interchangeability with system specifications before substitution.
Key specifications for RST-275: Outside Diameter: 2.950 INCHES MINIMUM AND 2.980 INCHES MAXIMUM IN; Strength Rating: ERR-060; Material: STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090; Material Document and Classification: FED STD 66, COMP 1070 FED STD 1ST MATERIAL RESPONSE AND FED STD 66, COMP 1072 FED STD 2ND MATERIAL RESPONSE AND FED STD 66, COMP 1074 FED STD 3RD MATERIAL RESPONSE AND FED STD 66, COMP 1075 FED STD 4TH MATERIAL RESPONSE AND FED STD 66, COMP 1078 FED STD 5TH MATERIAL RESPONSE AND FED STD 66, COMP 1080 FED STD 6TH MATERIAL RESPONSE AND FED STD 66, COMP 1084 FED STD 7TH MATERIAL RESPONSE AND FED STD 66, COMP 1085 FED STD 8TH MATERIAL RESPONSE AND FED STD 66, COMP 1086 FED STD 9TH MATERIAL RESPONSE AND FED STD 66, COMP 1090 FED STD 10TH MATERIAL RESPONSE. 10 total characteristics are documented in the Federal Logistics Information System.