The Connecting Rod,piston, cataloged under National Stock Number 4310-01-341-7297, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Gast Mfg Corp. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-341-7297 |
| Primary Part Number | AF512 |
| Item Name | Connecting Rod,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Gast Mfg Corp |
| Status | ACTIVE |
| Shaft Connecting End Hole Inside Diameter | 0.561 INCHES NOMINAL IN |
| End Thickness | 0.530 INCHES NOMINAL IN |
| Shaft Connecting End Lubrication Drill Feature | NOT INCLUDED |
| Shaft Connecting End Bearing | NOT INCLUDED |
| Shaft Connecting End Thickness | 1.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | FLAT TYPE |
| Piston Connecting End Bearing | NOT INCLUDED |
| End Hole Inside Diameter | 2.439 INCHES NOMINAL IN |
| Shaft Connecting End Style | PRESS SLEEVE |
| Material | ALUMINUM |
| Fabrication Method | CAST |
| Piston End Connection Style | SMALL ENGINE AND AUTOMOTIVE STANDARD |
| Piston Connecting End Lubrication Drill Feature | NOT INCLUDED |
| 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 |
|---|---|
| AF512 PRIMARY | Gast Mfg Corp (USA) |
| Reference | Meaning |
|---|---|
| P91623 | 5/9 Secondary reference Laneko Engineering Co |
NSN 4310-01-341-7297 is a Connecting Rod,piston, manufactured by Gast Mfg Corp, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-341-7297 has 1 manufacturer part number on file: AF512 (Gast Mfg Corp).
Key specifications for AF512: Shaft Connecting End Hole Inside Diameter: 0.561 INCHES NOMINAL IN; End Thickness: 0.530 INCHES NOMINAL IN; Shaft Connecting End Lubrication Drill Feature: NOT INCLUDED; Shaft Connecting End Bearing: NOT INCLUDED. 13 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.