The Pin,piston, cataloged under National Stock Number 2810-00-253-9720, 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 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2810-00-253-9720 |
| Primary Part Number | 231149P32 |
| Item Name | Pin,piston |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Body Style | PLAIN ENDS |
| Bore Style | STRAIGHT-THRU BORE |
| Precious Material | SILVER |
| Precious Material and Weight | 0.103 SILVER OUNCES, TROY |
| Outside Diameter | 1.27870 INCHES NOMINAL IN |
| Body Length | 3.2810 INCHES NOMINAL IN |
| Casehardening Indicator | CASEHARDENED |
| Precious Material and Location | OUTSIDE SURFACES SILVER |
| Bore Diameter | 0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN |
| Material | STEEL |
| Metallic Hardness Rating | 83.0 NOMINAL ROCKWELL A |
| 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 |
|---|---|
| 231149P32 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| AS231149P32 | 5/9 Secondary reference Aircraft Supplies |
| 231149P32 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 2810-00-253-9720 is a Pin,piston, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
NSN 2810-00-253-9720 has 1 manufacturer part number on file: 231149P32 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
Key specifications for 231149P32: Body Style: PLAIN ENDS; Bore Style: STRAIGHT-THRU BORE; Precious Material: SILVER; Precious Material and Weight: 0.103 SILVER OUNCES, TROY. 11 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.