The Ring,retaining, cataloged under National Stock Number 5325-00-846-3501, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-846-3501 |
| Primary Part Number | 69966S46 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Strength Rating | ERR-060 |
| Material Document and Classification | FED STD 66, COMP 302 FED STD 1ST MATERIAL RESPONSE AND MIL-S-5059, TYPE 302 MIL SPEC 2ND MATERIAL RESPONSE AND AMS 5519 ASSN STD 3RD MATERIAL RESPONSE AND QQ-S-766, CLASS 302 FED SPEC 4TH MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 0.513 INCHES MINIMUM AND 0.526 INCHES MAXIMUM IN |
| Major Thickness | 0.022 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN |
| Inside Diameter | 0.423 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPIRAL |
| Material | STEEL COMP 302 OR STEEL COMP 301 |
| 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 |
|---|---|
| 69966S46 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| 69966S46 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 725556 | 5/9 Secondary reference American Standard Inc Westinghouse Air Brake Co Div |
| RST-46-S | 3/2 Design control — primary reference U.S. Government activity |
| RST-46-C | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5325-00-846-3501 is a Ring,retaining, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-846-3501 has 2 manufacturer part numbers on file: 69966S46 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 69966S46 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 69966S46: Usage Design: EXTERNAL; Strength Rating: ERR-060; Material Document and Classification: FED STD 66, COMP 302 FED STD 1ST MATERIAL RESPONSE AND MIL-S-5059, TYPE 302 MIL SPEC 2ND MATERIAL RESPONSE AND AMS 5519 ASSN STD 3RD MATERIAL RESPONSE AND QQ-S-766, CLASS 302 FED SPEC 4TH MATERIAL RESPONSE; Cross-Sectional Shape Style: DOUBLE OVAL. 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.