The Ring,retaining, cataloged under National Stock Number 5325-00-809-5101, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Brunner Drilling and Mfg Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-809-5101 |
| Primary Part Number | 839B241P002 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Brunner Drilling and Mfg Co |
| Status | ACTIVE |
| Material Hardness Rating | 48.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| Material Document and Classification | AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 6.900 INCHES MINIMUM AND 7.000 INCHES MAXIMUM IN |
| Major Thickness | 0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SINGLE LEG OFFSET |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 302 |
| 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 |
|---|---|
| 839B241P002 | Brunner Drilling and Mfg Co (USA) |
| 839B241P002 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 839B241P002 | 3/2 Design control — primary reference U.S. Government activity |
| 839B241P002 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-00-809-5101 is a Ring,retaining, manufactured by Brunner Drilling and Mfg Co, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-809-5101 has 2 manufacturer part numbers on file: 839B241P002 (Brunner Drilling and Mfg Co), 839B241P002 (General Electric Company).
Key specifications for 839B241P002: Material Hardness Rating: 48.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; Material Document and Classification: AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUNDED CORNERS. 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.