The Ring,retaining, cataloged under National Stock Number 5325-01-178-5008, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-178-5008 |
| Primary Part Number | HS3014RR50 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Strength Rating | ERR-060 |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 0.532 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN |
| Major Thickness | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| Inside Diameter | 0.442 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPIRAL |
| Material | STEEL COMP 1065 OR STEEL COMP 1075 OR STEEL COMP 1085 OR STEEL COMP 1095 |
| 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 |
|---|---|
| HS3014RR50 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 91043-3-100D | 5/9 Secondary reference Eaton Aerospace Llc |
| HS3014RR50 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| RR-50 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-178-5008 is a Ring,retaining, manufactured by The Boeing Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-178-5008 has 1 manufacturer part number on file: HS3014RR50 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 7050-01-506-8975. Verify interchangeability with system specifications before substitution.
Key specifications for HS3014RR50: Usage Design: INTERNAL; Strength Rating: ERR-060; Cross-Sectional Shape Style: DOUBLE OVAL; Outside Diameter: 0.532 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN. 9 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.