The Ring,retaining, cataloged under National Stock Number 5325-00-136-6130, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 9 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-136-6130 |
| Primary Part Number | 4G53768-101A |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Material | STEEL |
| Surface Treatment | CADMIUM |
| Usage Design | EXTERNAL |
| Inside Diameter | 2.341 INCHES MINIMUM AND 2.366 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Casehardening Indicator | NOT CASEHARDENED |
| Major Thickness | 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Outside Diameter | 2.591 INCHES MINIMUM AND 2.632 INCHES MAXIMUM IN |
| Ring Style | SPIRAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| RST-250 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 4G53768-101A PRIMARY | Lockheed Martin Corp (USA) |
NSN 5325-00-136-6130 is a Ring,retaining, manufactured by Lockheed Martin Corp, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-00-136-6130 has 2 cross-referenced part numbers: RST-250 (Zf Industrieantriebe Witten Gmbh), 4G53768-101A (Lockheed Martin Corp).
There are 3 known substitutes for 5325-00-136-6130: 5325-00-175-1315, 5325-00-845-7277, 5325-00-999-6058. Verify interchangeability with system specifications before substitution.
Key specifications for 4G53768-101A: Material: STEEL; Surface Treatment: CADMIUM; Usage Design: EXTERNAL; Inside Diameter: 2.341 INCHES MINIMUM AND 2.366 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.