The Ring,retaining, cataloged under National Stock Number 5325-01-217-4261, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 10 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 | 5325-01-217-4261 |
| Primary Part Number | 6775610 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Material Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| 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 OR SAE 1095 ASSN STD 16TH MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.607 INCHES MINIMUM AND 1.632 INCHES MAXIMUM IN |
| Major Thickness | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Inside Diameter | 1.351 INCHES MINIMUM AND 1.388 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | INTERNAL STEPPED |
| 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 OR STEEL COMP 1095 |
| 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 |
|---|---|
| 6775610 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 5325-01-217-4261 is a Ring,retaining, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-217-4261 has 1 manufacturer part number on file: 6775610 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6775610: Material Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; 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 OR SAE 1095 ASSN STD 16TH MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 10 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.