The Pin,piston, cataloged under National Stock Number 4310-00-970-8430, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-970-8430 |
| Primary Part Number | K 841727 |
| Item Name | Pin,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| Status | ACTIVE |
| Body Style | PLAIN ENDS |
| Outside Diameter | 0.50000 INCHES NOMINAL IN |
| Body Length | 2.49100 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL |
| 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 |
|---|---|
| K 841727 PRIMARY | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| K841727 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| 841727 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| 90841727 | 5/9 Secondary reference Kidde-Fenwal, Llc |
| 841727 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 4310-00-970-8430 is a Pin,piston, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-970-8430 has 1 manufacturer part number on file: K 841727 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
Key specifications for K 841727: Body Style: PLAIN ENDS; Outside Diameter: 0.50000 INCHES NOMINAL IN; Body Length: 2.49100 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED. 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.