The Pin,piston, cataloged under National Stock Number 4310-00-474-1870, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Meggitt Troy Inc. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-474-1870 |
| Primary Part Number | 32A523 |
| Item Name | Pin,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Meggitt Troy Inc |
| Status | ACTIVE |
| Countersink Angle in Deg | 45.0 |
| Body Style | CHAMFERED ENDS |
| Bore Style | INSIDE CHAMFER STRAIGHT-THRU BORE |
| Outside Diameter | 0.24690 INCHES MINIMUM AND 0.24700 INCHES MAXIMUM IN |
| End Chamfer Angle in Deg | 45.0 |
| Body Length | 1.1050 INCHES MINIMUM AND 1.1150 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Bore Diameter | 0.1540 INCHES MINIMUM AND 0.1640 INCHES MAXIMUM IN |
| Material | STEEL |
| Metallic Hardness Rating | 62.0 MINIMUM ROCKWELL C AND 64.0 MAXIMUM ROCKWELL C |
| 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 |
|---|---|
| 32A523 PRIMARY | Meggitt Troy Inc (USA) |
NSN 4310-00-474-1870 is a Pin,piston, manufactured by Meggitt Troy Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-474-1870 has 1 manufacturer part number on file: 32A523 (Meggitt Troy Inc).
Key specifications for 32A523: Countersink Angle in Deg: 45.0; Body Style: CHAMFERED ENDS; Bore Style: INSIDE CHAMFER STRAIGHT-THRU BORE; Outside Diameter: 0.24690 INCHES MINIMUM AND 0.24700 INCHES MAXIMUM IN. 10 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.