The Ring,piston, cataloged under National Stock Number 4310-00-152-2857, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Es3 Prime Logistics Group Inc Dba Es3 Plg. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-152-2857 |
| Primary Part Number | 4G13495-101A |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Es3 Prime Logistics Group Inc Dba Es3 Plg |
| Status | ACTIVE |
| FSC Application Data | LANDING GEAR,RETRACTABLE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | STEP JOINT |
| Radial Wall Thickness | 0.1900 INCHES MINIMUM AND 0.2000 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 10.178 INCHES IN |
| Material | COPPER ALLOY 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 |
|---|---|
| 4G13495-101A | Es3 Prime Logistics Group Inc Dba Es3 Plg (USA) |
| 4G13495-101A | Helicopter Tech, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4G13495-101A | 5/9 Secondary reference Air Craftors Engineering, Inc. |
| 4G13495-101A | 5/2 Secondary reference U.S. Government activity |
| 4G13495-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 4310-00-152-2857 is a Ring,piston, manufactured by Es3 Prime Logistics Group Inc Dba Es3 Plg, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-152-2857 has 2 manufacturer part numbers on file: 4G13495-101A (Es3 Prime Logistics Group Inc Dba Es3 Plg), 4G13495-101A (Helicopter Tech, Inc.).
Key specifications for 4G13495-101A: FSC Application Data: LANDING GEAR,RETRACTABLE; Overall Width: 0.3710 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: STEP JOINT. 7 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.