The Pin,piston, cataloged under National Stock Number 2810-00-546-8656, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2810-00-546-8656 |
| Primary Part Number | 231149P20 |
| Item Name | Pin,piston |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Precious Material | SILVER |
| Precious Material and Weight | 0.1032 SILVER OUNCES, TROY |
| Material Document and Classification | AMS 6263 ASSN STD SINGLE MATERIAL RESPONSE |
| Precious Material and Location | OD SILVER |
| Material | STEEL COMP E9315 |
| 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 |
|---|---|
| 231149P020 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| 231149P20 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| 231149P20 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| AS231149P20 | 5/9 Secondary reference Aircraft Supplies |
| 231149P020 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 2810-00-546-8656 is a Pin,piston, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
NSN 2810-00-546-8656 has 3 manufacturer part numbers on file: 231149P020 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 231149P20 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 231149P20 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 231149P20: Precious Material: SILVER; Precious Material and Weight: 0.1032 SILVER OUNCES, TROY; Material Document and Classification: AMS 6263 ASSN STD SINGLE MATERIAL RESPONSE; Special Features: HARDNESS PER ROCKWELL C35 MIN AND C45 MAX ; BODY LENGTH 2.840 IN. MIN AND 2.846 IN. MAX ; HUB LENGTH 0.216 IN. MIN AND 0.222 IN. MAX BOTH ENDS ; BODY OD 1.2666 IN. MIN AND 1.2668 IN. MAX ; HUB OD 0.365 IN. MIN AND 0.385 IN. MAX IN. 5 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.