The Motor,valve Operating,pneumatic, cataloged under National Stock Number 4520-01-026-4991, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Honeywell Inc Commercial Div. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4520-01-026-4991 |
| Primary Part Number | MP953D5033 |
| Item Name | Motor,valve Operating,pneumatic |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Honeywell Inc Commercial Div |
| Status | ACTIVE |
| General Characteristics Item Description | REVERSE ACTING COIL VALVE OPERATOR,8.0 TO 12.0 PSI RANGE,160.0 DEG F OPERATING TEMP MAX,0.125 IN. NPT INTERNAL AIR CONNECTIONS IN |
| 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 |
|---|---|
| MP953D5033 PRIMARY | Honeywell Inc Commercial Div (USA) |
| Reference | Meaning |
|---|---|
| MP953D5033 | 5/9 Secondary reference Honeywell Inc Residential Div |
NSN 4520-01-026-4991 is a Motor,valve Operating,pneumatic, manufactured by Honeywell Inc Commercial Div, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-026-4991 has 1 manufacturer part number on file: MP953D5033 (Honeywell Inc Commercial Div).
Key specifications for MP953D5033: General Characteristics Item Description: REVERSE ACTING COIL VALVE OPERATOR,8.0 TO 12.0 PSI RANGE,160.0 DEG F OPERATING TEMP MAX,0.125 IN. NPT INTERNAL AIR CONNECTIONS IN. 1 specification is 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.