The Ring,externally Threaded, cataloged under National Stock Number 5365-01-232-1884, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5365-01-232-1884 |
| Primary Part Number | R-6134-CR PIECE 8 |
| Item Name | Ring,externally Threaded |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Bore Annular Internal Serration | NOT INCLUDED |
| Beveled Thread | NOT INCLUDED |
| Material Document and Classification | 46S27,GRADE 7 FSCM 38056 MIL SPEC SINGLE MATERIAL RESPONSE |
| Bore Shape | STRAIGHT |
| Thread Direction | RIGHT-HAND |
| Setscrew Locking Notch | NOT INCLUDED |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 0.500-16 |
| Screw Thread Series Designator | UN |
| Thread Class | 3A A |
| Bore Diameter | 2.625 INCHES NOMINAL IN |
| Material | STEEL UNS J92650 |
| 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 |
|---|---|
| R-6134-CR PIECE 8 | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 12939 | 3/9 Design control — primary reference Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
| CVB41-S5103-42 ALT 3 PIECE 8 | 5/2 Secondary reference U.S. Government activity |
NSN 5365-01-232-1884 is a Ring,externally Threaded, manufactured by Ashcroft Inc Dba Heise, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-232-1884 has 1 manufacturer part number on file: R-6134-CR PIECE 8 (Ashcroft Inc Dba Heise).
Key specifications for R-6134-CR PIECE 8: Bore Annular Internal Serration: NOT INCLUDED; Beveled Thread: NOT INCLUDED; Material Document and Classification: 46S27,GRADE 7 FSCM 38056 MIL SPEC SINGLE MATERIAL RESPONSE; Overall Length: 0.812 INCHES NOMINAL IN. 12 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.