The Ring,piston, cataloged under National Stock Number 4310-01-145-4801, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k. Government technical data includes 6 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 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 | 4310-01-145-4801 |
| Primary Part Number | 101427 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k |
| Status | ACTIVE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | DIAGONAL JOINT |
| Radial Wall Thickness | 0.4900 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 10.500 INCHES IN |
| Material | CARBON AND PLASTIC OVERALL |
| 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 |
|---|---|
| 101427 PRIMARY | Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k (USA) |
NSN 4310-01-145-4801 is a Ring,piston, manufactured by Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-145-4801 has 1 manufacturer part number on file: 101427 (Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k).
3 possible matches (shared part number, not a government interchangeability claim): 5355-01-251-6733, 5905-01-281-5519, 5999-01-479-5188. Verify interchangeability with system specifications before substitution.
Key specifications for 101427: Overall Width: 0.3200 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: DIAGONAL JOINT; Radial Wall Thickness: 0.4900 INCHES NOMINAL IN. 6 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.