The Ring,retaining, cataloged under National Stock Number 5325-01-242-8078, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-242-8078 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| Special Test Features | SPECIAL QUALITY CONTROL TESTING |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | FED STD 66, COMP 1060 FED STD 1ST MATERIAL RESPONSE AND FED STD 66, COMP 1064 FED STD 2ND MATERIAL RESPONSE AND FED STD 66, COMP 1065 FED STD 3RD MATERIAL RESPONSE AND FED STD 66, COMP 1070 FED STD 4TH MATERIAL RESPONSE AND FED STD 66, COMP 1074 FED STD 5TH MATERIAL RESPONSE AND FED STD 66, COMP 1078 FED STD 6TH MATERIAL RESPONSE AND FED STD 66, COMP 1080 FED STD 7TH MATERIAL RESPONSE AND FED STD 66, COMP 1084 FED STD 8TH MATERIAL RESPONSE AND FED STD 66, COMP 1085 FED STD 9TH MATERIAL RESPONSE AND FED STD 66, COMP 1086 FED STD 10TH MATERIAL RESPONSE AND FED STD 66, COMP 1090 FED STD 11TH MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 2.672 INCHES MINIMUM AND 2.742 INCHES MAXIMUM IN |
| Major Thickness | 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | INTERNAL |
| Test Data Document | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | STEEL COMP 1060 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090 |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| N5000-244 | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| N5000-244-PP | C/1 Advisory reference — outside the item-of-supply concept Rotor Clip Company, Inc. |
| N5000-244-PP | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| D-73539-113 | 3/1 Design control — primary reference Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
| LL-HX4-7896 | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
NSN 5325-01-242-8078 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-242-8078: Material Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; Special Test Features: SPECIAL QUALITY CONTROL TESTING; Criticality Code Justification: ZZZY. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.