The Ring,retaining, cataloged under National Stock Number 5325-01-038-8028, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-038-8028 |
| Primary Part Number | 5VZF72PC43 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Material Document and Classification | AISI 416 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.125 INCHES NOMINAL IN |
| Inside Diameter | 1.000 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL |
| Material | STEEL COMP 416 |
| 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 |
|---|---|
| 5VZF72PC43 | Ashcroft Inc Dba Heise (USA) |
| 5VXZ72PC43 | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| VZF72 | D/9 Drawing number reference only Ashcroft Inc Dba Heise |
| VU809 | 3/9 Design control — primary reference Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
NSN 5325-01-038-8028 is a Ring,retaining, manufactured by Ashcroft Inc Dba Heise, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-038-8028 has 2 manufacturer part numbers on file: 5VZF72PC43 (Ashcroft Inc Dba Heise), 5VXZ72PC43 (Ashcroft Inc Dba Heise).
Key specifications for 5VZF72PC43: Usage Design: INTERNAL; Material Document and Classification: AISI 416 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUND; Outside Diameter: 1.125 INCHES NOMINAL IN. 8 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.