The Ring,retaining, cataloged under National Stock Number 5325-01-199-4962, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Circor Pumps North America Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-199-4962 |
| Primary Part Number | SG410PC9 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Strength Rating | ERR-060 |
| Material Document and Classification | QQ-W-470 FED SPEC 1ST MATERIAL RESPONSE AND FED STD 66, COMP 1070 FED STD 2ND MATERIAL RESPONSE AND FED STD 66, COMP 1072 FED STD 3RD MATERIAL RESPONSE AND FED STD 66, COMP 1074 FED STD 4TH MATERIAL RESPONSE AND FED STD 66, COMP 1075 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 | DOUBLE OVAL |
| Outside Diameter | 3.318 INCHES MINIMUM AND 3.348 INCHES MAXIMUM IN |
| Major Thickness | 0.111 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN |
| Inside Diameter | 2.818 INCHES MINIMUM AND 2.848 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL FLAT |
| Material | STEEL UNS K08500 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 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 |
|---|---|
| SG410PC9 PRIMARY | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| RRT312 | 3/2 Design control — primary reference U.S. Government activity |
| SG410PC9 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 5325-01-199-4962 is a Ring,retaining, manufactured by Circor Pumps North America Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-199-4962 has 1 manufacturer part number on file: SG410PC9 (Circor Pumps North America Llc).
Key specifications for SG410PC9: Usage Design: INTERNAL; Strength Rating: ERR-060; Material Document and Classification: QQ-W-470 FED SPEC 1ST MATERIAL RESPONSE AND FED STD 66, COMP 1070 FED STD 2ND MATERIAL RESPONSE AND FED STD 66, COMP 1072 FED STD 3RD MATERIAL RESPONSE AND FED STD 66, COMP 1074 FED STD 4TH MATERIAL RESPONSE AND FED STD 66, COMP 1075 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: 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.