The Valve,regulating,temperature, cataloged under National Stock Number 4820-00-841-5484, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-00-841-5484 |
| Primary Part Number | 18900-160-00 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 4 |
| FSC Application Data | COOLER ASSY,ENGINE OIL,ACFT |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| First End Style Designator | PLAIN |
| Bulb Length | 3.184 INCHES NOMINAL IN |
| First End Flange Width | 2.612 INCHES NOMINAL IN |
| Bulb Diameter | 1.622 INCHES NOMINAL IN |
| Temp Rating | 160.0 FAHRENHEIT NOMINAL DEGF |
| First End Bolt Hole Diameter | 0.312 INCHES NOMINAL IN |
| First End Center to Center Distance Between Holes Along Width | 2.010 INCHES NOMINAL IN |
| First End Center to Center Distance Between Holes Along Length | 2.010 INCHES NOMINAL IN |
| End Connection Quantity | 4 |
| First End Connection Type | PLAIN FACE FLANGE |
| Temp Adjustability | NOT ADJUSTABLE |
| First End Flange Shape Style | RECTANGULAR (INCLUDES SQUARE) W/ BOLT HOLES |
| Thermostatic Element | LIQUID IMMERSION TYPE |
| Fourth End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| Material | RUBBER SYNTHETIC PACKING |
| Material | ALUMINUM ALLOY SEAT |
| Material | ALUMINUM ALLOY BODY |
| Material | STEEL CORROSION RESISTING BULB |
| First End Flange Length | 2.612 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 18900-160-00 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 18900-160-00 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 4820-00-841-5484 is a Valve,regulating,temperature, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-841-5484 has 1 manufacturer part number on file: 18900-160-00 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 18900-160-00: First End Bolt Hole Quantity: 4; FSC Application Data: COOLER ASSY,ENGINE OIL,ACFT; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 24 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.
NSN 4820-00-841-5484 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.