Part Details | RETAINING RING
5325-01-256-9803 A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see PUSH ON NUT. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also CLIP, RETAINING and PIN, LOCK. Excludes RING, CONNECTING, ROUND.
Alternate Parts: M2742630162C, MILDTL27426, MIL-DTL-27426, RR256L, RR-256-L, 5325-01-256-9803, 01-256-9803, 5325012569803, 012569803
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 10, 1987 | 01-256-9803 | 07623 ( RING, RETAINING ) |
REFERENCE DRAWINGS & PICTURES
ROUND
SPECIAL FLAT
Cross Reference | NSN 5325-01-256-9803
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| M2742630162C | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MIL-DTL-27426 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| RR-256-L | 80756 | SPIROLOX, INC. |
Technical Data | NSN 5325-01-256-9803
| Characteristic | Specifications |
|---|---|
| MATERIAL | 4$DST1085 |
| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| RING STYLE | SPECIAL FLAT |
| CROSS-SECTIONAL SHAPE STYLE | 2 ROUND |
| USAGE DESIGN | INTERNAL |
| MATERIAL HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-46049, COMP 1074 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-46049, COMP 1085 MIL SPEC 2ND MATERIAL RESPONSE |
| SURFACE TREATMENT | PHOSPHATE ZINC |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232, TYPE Z, CLASS 2 DEF STAN/SPEC SINGLE TREATMENT RESPONSE |
| INSIDE DIAMETER | 2.377 INCHES MINIMUM AND 2.402 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.673 INCHES MINIMUM AND 2.698 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| PROPRIETARY CHARACTERISTICS | NPAC |