The Ring,retaining, cataloged under National Stock Number 5325-00-285-7939, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-285-7939 |
| Primary Part Number | 234685 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Material Hardness Rating | 65.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 68.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| Usage Design | INTERNAL |
| Strength Rating | ERR-060 |
| Material Document and Classification | SAE 1080-1090 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 3.684 INCHES NOMINAL IN |
| Major Thickness | 0.059 INCHES NOMINAL IN |
| Inside Diameter | 2.288 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL FLAT |
| Material | STEEL |
| 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 |
|---|---|
| 234685 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 387245 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 9152465 | General Motors Corp (USA) |
| 626-001-9252 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 9152465 | 5/9 Secondary reference U.S. Government activity |
| 387245 | 5/9 Secondary reference Adams Industries Inc a Sub of Banner Industries Inc |
| RR354 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-00-285-7939 is a Ring,retaining, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-285-7939 has 4 manufacturer part numbers on file: 234685 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 387245 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 9152465 (General Motors Corp), 626-001-9252 (Honeywell International Inc. Div Aerospace - Torrance).
2 possible matches (shared part number, not a government interchangeability claim): 5325-01-177-5743, 5330-01-196-0882. Verify interchangeability with system specifications before substitution.
Key specifications for 234685: Material Hardness Rating: 65.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 68.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM; Usage Design: INTERNAL; Strength Rating: ERR-060; Material Document and Classification: SAE 1080-1090 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.