The Ring,retaining, cataloged under National Stock Number 5325-01-064-8121, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-064-8121 |
| Primary Part Number | S11109-017 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 0.797 INCHES NOMINAL IN |
| Major Thickness | 0.054 INCHES NOMINAL IN |
| Inside Diameter | 0.687 INCHES NOMINAL IN |
| Ring Style | SPIRAL |
| 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 |
|---|---|
| RE0265081 | Alfariver Defense S.l (ESP) |
| S11109-017 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10075512 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| S11109-017 | 5/9 Secondary reference Satair A/s |
| S11109-017 | 5/9 Secondary reference U.S. Government activity |
| 5325PL0891596 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5325-01-064-8121 is a Ring,retaining, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-064-8121 has 2 manufacturer part numbers on file: RE0265081 (Alfariver Defense S.l), S11109-017 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for S11109-017: Cross-Sectional Shape Style: DOUBLE OVAL; Outside Diameter: 0.797 INCHES NOMINAL IN; Major Thickness: 0.054 INCHES NOMINAL IN; Inside Diameter: 0.687 INCHES NOMINAL IN. 5 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.