The Rod,push,valve Piston, cataloged under National Stock Number 4810-00-085-4558, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-085-4558 |
| Primary Part Number | 661878 |
| Item Name | Rod,push,valve Piston |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Overall Diameter | 0.285 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| General Characteristics Item Description | AMS 5643, 17-4 PH, FLANGED ONE END |
| 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 |
|---|---|
| 661878 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 661878 | 5/9 Secondary reference U.S. Government activity |
NSN 4810-00-085-4558 is a Rod,push,valve Piston, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-085-4558 has 1 manufacturer part number on file: 661878 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 661878: Overall Diameter: 0.285 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; General Characteristics Item Description: AMS 5643, 17-4 PH, FLANGED ONE END; Overall Length: 1.374 INCHES MINIMUM AND 1.388 INCHES MAXIMUM IN; End Item Identification: 4810008977308 VALVE,BUTTERFLY T56-A-9 TURBO&PROP ENGINE C130A ACFT. 3 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.