The Ring,retaining, cataloged under National Stock Number 5325-01-108-2886, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-108-2886 |
| Primary Part Number | 74A450630-2001 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| End Style | VERTEX CENTER OR ABOVE |
| Material Diameter | 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 4.218 INCHES MINIMUM AND 4.222 INCHES MAXIMUM IN |
| Inside Diameter | 3.970 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL UNS K08500 |
| 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 |
|---|---|
| 74A450630-2001 | Nassau Tool Works, Inc (USA) |
| 74A450630-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A450630-2001 | Blair Industries Inc (USA) |
| 74A450630-2001 | Safran Landing Systems Canada Inc. (CAN) |
| Reference | Meaning |
|---|---|
| 10154154 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450630-2001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A450630-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A450630-2001 | 5/2 Secondary reference U.S. Government activity |
| 74A450630-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450630-2001 | C/1 Advisory reference — outside the item-of-supply concept Circor Aerospace, Inc. Div Circor |
| 74A450630-2001 | 5/9 Secondary reference Israel Aircraft Industries Ltd Marketing Directorate |
NSN 5325-01-108-2886 is a Ring,retaining, manufactured by The Boeing Company Div Defense, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-108-2886 has 4 manufacturer part numbers on file: 74A450630-2001 (Nassau Tool Works, Inc), 74A450630-2001 (The Boeing Company Div Defense), 74A450630-2001 (Blair Industries Inc), 74A450630-2001 (Safran Landing Systems Canada Inc.).
Key specifications for 74A450630-2001: Usage Design: EXTERNAL; End Style: VERTEX CENTER OR ABOVE; Material Diameter: 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN; Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE. 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.