The Ring,retaining, cataloged under National Stock Number 5325-01-110-8147, 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 12 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-110-8147 |
| Primary Part Number | 74A450951-2001 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Surface Treatment Document and Classification | 74A901001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE |
| End Style | 90 DEGREE PARALLEL |
| Material Document and Classification | QQ-A-200/11, TEMPER T73510 OR T73511 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/9, ALLOY 7075, T73 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/9, ALLOY 7075, T7351 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/11, ALLOY 7075, T73 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.190 INCHES MINIMUM AND 1.192 INCHES MAXIMUM IN |
| Major Thickness | 0.030 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN |
| Inside Diameter | 1.090 INCHES MINIMUM AND 1.102 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 7075 |
| 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 |
|---|---|
| 74A450951-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A450951-2001 | Circor Aerospace, Inc. Div Circor (USA) |
| 74A450951-2001 | Israel Aerospace Industries Ltd.shl-Aero Assemblies Division (ISR) |
| 74A450951-2001 | A. J. Associates Manufacturing & Engineering Co. Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10154157 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450951-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450951-2001 | 5/9 Secondary reference Heroux-Devtek Inc |
| 74A450951-2001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A450951-2001 | 5/9 Secondary reference Safran Landing Systems Canada Inc. |
| 74A450951-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
NSN 5325-01-110-8147 is a Ring,retaining, manufactured by The Boeing Company Div Defense, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-110-8147 has 4 manufacturer part numbers on file: 74A450951-2001 (The Boeing Company Div Defense), 74A450951-2001 (Circor Aerospace, Inc. Div Circor), 74A450951-2001 (Israel Aerospace Industries Ltd.shl-Aero Assemblies Division), 74A450951-2001 (A. J. Associates Manufacturing & Engineering Co. Inc.).
Key specifications for 74A450951-2001: Usage Design: EXTERNAL; Surface Treatment Document and Classification: 74A901001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE; End Style: 90 DEGREE PARALLEL; Material Document and Classification: QQ-A-200/11, TEMPER T73510 OR T73511 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/9, ALLOY 7075, T73 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/9, ALLOY 7075, T7351 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/11, ALLOY 7075, T73 FED SPEC SINGLE MATERIAL RESPONSE. 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.