The Ring,retaining, cataloged under National Stock Number 5325-01-338-4618, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Delta Power Hydraulic Co. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-338-4618 |
| Primary Part Number | 33550000 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Delta Power Hydraulic Co |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 0.498 INCHES NOMINAL IN |
| Major Thickness | 0.0165 INCHES MINIMUM AND 0.0195 INCHES MAXIMUM IN |
| Inside Diameter | 0.402 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN |
| Ring Style | INTERNAL STEPPED |
| 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 |
|---|---|
| 33550000 PRIMARY | Delta Power Hydraulic Co (USA) |
| Reference | Meaning |
|---|---|
| USA-49 | 5/9 Secondary reference Delta Power Hydraulic Co |
| 33500000 | 5/9 Secondary reference Delta Power Hydraulic Co |
NSN 5325-01-338-4618 is a Ring,retaining, manufactured by Delta Power Hydraulic Co, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-338-4618 has 1 manufacturer part number on file: 33550000 (Delta Power Hydraulic Co).
Key specifications for 33550000: Usage Design: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 0.498 INCHES NOMINAL IN; Major Thickness: 0.0165 INCHES MINIMUM AND 0.0195 INCHES MAXIMUM IN. 6 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.