The Ring,retaining, cataloged under National Stock Number 5325-01-233-8805, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-233-8805 |
| Primary Part Number | 16780-005 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Material Document and Classification | SAE 1060 ASSN STD 1ST MATERIAL RESPONSE OR SAE 1064 ASSN STD 2ND MATERIAL RESPONSE OR SAE 1065 ASSN STD 3RD MATERIAL RESPONSE OR SAE 1066 ASSN STD 4TH MATERIAL RESPONSE OR SAE 1069 ASSN STD 5TH MATERIAL RESPONSE OR SAE 1070 ASSN STD 6TH MATERIAL RESPONSE OR SAE 1072 ASSN STD 7TH MATERIAL RESPONSE OR SAE 1074 ASSN STD 8TH MATERIAL RESPONSE OR SAE 1075 ASSN STD 9TH MATERIAL RESPONSE OR SAE 1078 ASSN STD 10TH MATERIAL RESPONSE OR SAE 1080 ASSN STD 11TH MATERIAL RESPONSE OR SAE 1084 ASSN STD 12TH MATERIAL RESPONSE OR SAE 1085 ASSN STD 13TH MATERIAL RESPONSE OR SAE 1086 ASSN STD 14TH MATERIAL RESPONSE OR SAE 1090 ASSN STD 15TH MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.0235 INCHES MINIMUM AND 0.0265 INCHES MAXIMUM IN |
| Inside Diameter | 0.276 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Surface Treatment | NICKEL |
| Material | STEEL COMP 1060 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR 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 1084 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 16780-005 PRIMARY | Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company (USA) |
NSN 5325-01-233-8805 is a Ring,retaining, manufactured by Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-233-8805 has 1 manufacturer part number on file: 16780-005 (Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company).
Key specifications for 16780-005: Usage Design: EXTERNAL; Material Document and Classification: SAE 1060 ASSN STD 1ST MATERIAL RESPONSE OR SAE 1064 ASSN STD 2ND MATERIAL RESPONSE OR SAE 1065 ASSN STD 3RD MATERIAL RESPONSE OR SAE 1066 ASSN STD 4TH MATERIAL RESPONSE OR SAE 1069 ASSN STD 5TH MATERIAL RESPONSE OR SAE 1070 ASSN STD 6TH MATERIAL RESPONSE OR SAE 1072 ASSN STD 7TH MATERIAL RESPONSE OR SAE 1074 ASSN STD 8TH MATERIAL RESPONSE OR SAE 1075 ASSN STD 9TH MATERIAL RESPONSE OR SAE 1078 ASSN STD 10TH MATERIAL RESPONSE OR SAE 1080 ASSN STD 11TH MATERIAL RESPONSE OR SAE 1084 ASSN STD 12TH MATERIAL RESPONSE OR SAE 1085 ASSN STD 13TH MATERIAL RESPONSE OR SAE 1086 ASSN STD 14TH MATERIAL RESPONSE OR SAE 1090 ASSN STD 15TH MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 0.0235 INCHES MINIMUM AND 0.0265 INCHES MAXIMUM IN. 9 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.