The Ring,retaining, cataloged under National Stock Number 5325-01-225-6479, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-225-6479 |
| Primary Part Number | 3-3008-21-6 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| End Style | VERTEX BELOW CENTER |
| Material Diameter | 0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-W-423, COMP 302, COND B FED SPEC 1ST MATERIAL RESPONSE AND QQ-W-423, COMP 304, COND B FED SPEC 2ND MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.559 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN |
| Inside Diameter | 0.443 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 302 OR STEEL COMP 304 |
| 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 |
|---|---|
| 3-3008-21-6 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 3-3008-21-6 | 5/9 Secondary reference Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County |
NSN 5325-01-225-6479 is a Ring,retaining, manufactured by Tactair Fluid Controls Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-225-6479 has 1 manufacturer part number on file: 3-3008-21-6 (Tactair Fluid Controls Inc).
Key specifications for 3-3008-21-6: Usage Design: INTERNAL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; End Style: VERTEX BELOW CENTER; Material Diameter: 0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN. 12 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.