The Ring,retaining, cataloged under National Stock Number 5325-00-804-7642, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Kontron Europe Gmbh. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-804-7642 |
| Primary Part Number | 277-502-1035 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Kontron Europe Gmbh |
| Status | ACTIVE |
| Material Hardness Rating | 63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| Usage Design | EXTERNAL |
| Material Document and Classification | AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| Inside Diameter | 0.315 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 632 |
| 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 |
|---|---|
| 277-502-1035 | Kontron Europe Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| G650112-45 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MIL-DTL-21248 | 4/1 Identification reference U.S. Government activity |
| 5100-35H | C/1 Advisory reference — outside the item-of-supply concept Rotor Clip Company, Inc. |
| 3100-35-SS2 | 5/9 Secondary reference U.S. Government activity |
| MS16624-4035 | 2/2 Government specification standardization U.S. Government activity |
| 5100-35H | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| 277-502-1035 | 5/1 Secondary reference U.S. Government activity |
NSN 5325-00-804-7642 is a Ring,retaining, manufactured by Kontron Europe Gmbh, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-804-7642 has 1 manufacturer part number on file: 277-502-1035 (Kontron Europe Gmbh).
Key specifications for 277-502-1035: Material Hardness Rating: 63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM; Usage Design: EXTERNAL; Material Document and Classification: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 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.