The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-032-7368, is classified within Federal Supply Class 4820 (Valves, Nonpowered) 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 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-032-7368 |
| Primary Part Number | 91020 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Valve Stem Design | SINGLE SEAT |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | BELLOWS |
| Body Style | TEE W/OFFSET |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Thread Class | 3B |
| Third End Relationship with Preceding Ends | NOT IDENTICAL WITH FIRST OR SECOND END |
| First End Style Designator | GASKET SEAL |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 3 |
| Valve Loading Method | SPRING |
| Third End Thread Direction | RIGHT-HAND |
| Third End Thread Class | 3B |
| Surface Treatment | ANODIZE OUTSIDE |
| Material | RUBBER SYNTHETIC PACKING |
| Material | STEEL FLOW CONTROL DEVICE |
| Material | ALUMINUM AND BRONZE SEAT |
| Material | STEEL STEM |
| Media for Which Designed | AIR |
| Third End Style Designator | GASKET SEAL |
| Thread Size and Series/type Designator | 3/4&16 UNF FIRST END |
| Thread Size and Series/type Designator | 7/16&20 UNF THIRD END |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| 91020 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 91020 | 5/9 Secondary reference U.S. Government activity |
| 633289 | 7/2 Vendor item drawing reference U.S. Government activity |
| 91020 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Div Aerospace - Torrance |
| 91020 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 4820-00-032-7368 is a Valve,regulating,fluid Pressure, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-032-7368 has 1 manufacturer part number on file: 91020 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
12 possible matches (shared part number, not a government interchangeability claim): 5365-00-071-2014, 5945-00-243-9164, 4820-00-449-1949. Verify interchangeability with system specifications before substitution.
Key specifications for 91020: Flow Control Device: POPPET; Valve Stem Design: SINGLE SEAT; Second End Relationship with First End: IDENTICAL; Remote Actuation Method: BELLOWS. 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.
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.