The Ring,retaining, cataloged under National Stock Number 5325-01-117-4636, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Paneloc Corp the. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-117-4636 |
| Primary Part Number | 6221 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Paneloc Corp the |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| Material Diameter | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | ROUND |
| Inside Diameter | 0.157 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | C |
| Surface Treatment | CADMIUM AND CHROMATE |
| Material | STEEL |
| 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 |
|---|---|
| 6221 PRIMARY | Paneloc Corp the (USA) |
| Reference | Meaning |
|---|---|
| 6221 | 5/2 Secondary reference U.S. Government activity |
| C11749-0001 | 5/9 Secondary reference Cooper Machine Co Inc |
| 4549341-001 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| C11749-0001 | 5/9 Secondary reference Rosemount Inc Dba Fisher Rosemount Service and Support |
| 5265801-001 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 6220 | C/1 Advisory reference — outside the item-of-supply concept Paneloc Corp the |
NSN 5325-01-117-4636 is a Ring,retaining, manufactured by Paneloc Corp the, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-117-4636 has 1 manufacturer part number on file: 6221 (Paneloc Corp the).
Key specifications for 6221: Usage Design: INTERNAL; Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE; Material Diameter: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN; Cross-Sectional Shape Style: ROUND. 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.