The Ring,retaining, cataloged under National Stock Number 5325-01-538-2909, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-538-2909 |
| Primary Part Number | SG-A-020 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | CHAMFERED OUTSIDE CORNERS |
| Outside Diameter | 7.084 INCHES MINIMUM AND 7.087 INCHES MAXIMUM IN |
| Major Thickness | 0.475 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN |
| Inside Diameter | 6.838 INCHES MINIMUM AND 6.841 INCHES MAXIMUM IN |
| Ring Style | SPLIT |
| Material | PLASTIC POLYAMIDE NYLON |
| 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 |
|---|---|
| SG-A-020 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
NSN 5325-01-538-2909 is a Ring,retaining, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-538-2909 has 1 manufacturer part number on file: SG-A-020 (L3 Technologies, Inc. Div L3 Keo).
Key specifications for SG-A-020: Usage Design: INTERNAL; Cross-Sectional Shape Style: CHAMFERED OUTSIDE CORNERS; Outside Diameter: 7.084 INCHES MINIMUM AND 7.087 INCHES MAXIMUM IN; Major Thickness: 0.475 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN. 7 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.