The Ring,retaining, cataloged under National Stock Number 5325-01-498-4638, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Testek Llc Dba Testek Solutions. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-498-4638 |
| Primary Part Number | RR-175 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Testek Llc Dba Testek Solutions |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Strength Rating | ERR-060 |
| Criticality Code Justification | AGAV |
| Material Document and Classification | SAE 1070 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 1.834 INCHES MINIMUM AND 1.854 INCHES MAXIMUM IN |
| Major Thickness | 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Inside Diameter | 1.716 INCHES MINIMUM AND 1.736 INCHES MAXIMUM IN |
| Ring Style | SPECIAL FLAT |
| Surface Treatment | CADMIUM |
| Material | STEEL COMP 1070 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| RR-175 PRIMARY | Testek Llc Dba Testek Solutions (USA) |
| Reference | Meaning |
|---|---|
| 69983 | D/9 Drawing number reference only Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 5325-01-498-4638 is a Ring,retaining, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-498-4638 has 1 manufacturer part number on file: RR-175 (Testek Llc Dba Testek Solutions).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-601-4930. Verify interchangeability with system specifications before substitution.
Key specifications for RR-175: Usage Design: INTERNAL; Strength Rating: ERR-060; Criticality Code Justification: AGAV; Material Document and Classification: SAE 1070 ASSN STD SINGLE MATERIAL RESPONSE. 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.