The Ring,retaining, cataloged under National Stock Number 5325-00-027-8401, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Thales Deutschland Gmbh Div Customer Services. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-027-8401 |
| Primary Part Number | 5800334-1500-025 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Thales Deutschland Gmbh Div Customer Services |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Diameter | 0.020 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.140 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | MS90255-1 TYPE |
| Inside Diameter | 0.100 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | COPPER |
| 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 |
|---|---|
| 5800334-1500-025 | Thales Deutschland Gmbh Div Customer Services (DEU) |
| Reference | Meaning |
|---|---|
| MS90255-1 | 2/2 Government specification standardization U.S. Government activity |
NSN 5325-00-027-8401 is a Ring,retaining, manufactured by Thales Deutschland Gmbh Div Customer Services, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-027-8401 has 1 manufacturer part number on file: 5800334-1500-025 (Thales Deutschland Gmbh Div Customer Services).
Key specifications for 5800334-1500-025: Usage Design: EXTERNAL; End Style: 90 DEGREE PARALLEL; Material Diameter: 0.020 INCHES NOMINAL IN; Cross-Sectional Shape Style: ROUND. 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.