The Connecting Rod,piston, cataloged under National Stock Number 4310-01-426-4898, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-426-4898 |
| Primary Part Number | 1R77547 |
| Item Name | Connecting Rod,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Shaft Connecting End Style | PRESS SLEEVE |
| Piston End Connection Style | SMALL ENGINE AND AUTOMOTIVE STANDARD |
| 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 |
|---|---|
| 1R77547 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 1R77547 | 5/9 Secondary reference U.S. Government activity |
| 1R77547 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| 1R77547 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 4310-01-426-4898 is a Connecting Rod,piston, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-426-4898 has 1 manufacturer part number on file: 1R77547 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
Key specifications for 1R77547: End Item Identification: AIR COMPRESSOR,DRESSER-RAND CO,INGERSOLL-RAND OPNS,MODEL 14G5L4-3;NAVY WEAPONS SYSTEM CODE,TH,STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Shaft Connecting End Style: PRESS SLEEVE; Piston End Connection Style: SMALL ENGINE AND AUTOMOTIVE STANDARD. 2 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.