The Ring,retaining, cataloged under National Stock Number 5325-01-034-3957, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-034-3957 |
| Primary Part Number | M1212-100AZ |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Document and Classification | QQ-A-225/6, TEMPER T851 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/3, TEMPER T8510 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/3, TEMPER T8511 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.419 INCHES NOMINAL IN |
| Major Thickness | 0.070 INCHES NOMINAL IN |
| Inside Diameter | 1.195 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| M1212-100AZ PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| M1212-100AZ | 3/9 Design control — primary reference Eaton Aviation Corporation |
| 757580-1 | 5/9 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 5325-01-034-3957 is a Ring,retaining, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-034-3957 has 1 manufacturer part number on file: M1212-100AZ (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for M1212-100AZ: Usage Design: INTERNAL; End Style: 90 DEGREE PARALLEL; Material Document and Classification: QQ-A-225/6, TEMPER T851 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/3, TEMPER T8510 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/3, TEMPER T8511 FED SPEC SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 11 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.