The Valve Assembly,drain, cataloged under National Stock Number 4820-01-370-2423, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pall Aeropower Corporation. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-370-2423 |
| Primary Part Number | AD-B741-24D87 |
| Item Name | Valve Assembly,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| FSC Application Data | FILTER,FLUID,ACFT |
| General Characteristics Item Description | MATL: ALUMINUM ALLOY,AMS 4112,2024,T351; 2.490 IN. LGTH; INSIDE DIA: 1.250 IN. ONE END,2.100 IN. OTHER END; OPERATING PRESSURE 2000 PSIG MAX;PROOF PRESSURE 3.000 PSIG; BURST PRES-SURE 6000 PSIG; AMBIENT TEMPERATURE MINUS 65 DEG F TO PLUS 178 DEG F; FLUID TEMPERATURE MINUS 65 DEG F TO 275 DEG F; FLUID: MIL-H-5606 OR MIL-H-6083 HYDRAULIC FLUID; FULL FLOW: 12 GPM AT 180 PSID AND 105 DEG F MAX; IN-TERNAL LEAKAGE 5CC PM MIN R 15CC PM LEAKAGE; NHA P/N,AE-B741-241,CAGEC 18350,FSC 1650 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AD-B741-24D87 PRIMARY | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| DAA3252P066-245 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
NSN 4820-01-370-2423 is a Valve Assembly,drain, manufactured by Pall Aeropower Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-370-2423 has 1 manufacturer part number on file: AD-B741-24D87 (Pall Aeropower Corporation).
Key specifications for AD-B741-24D87: FSC Application Data: FILTER,FLUID,ACFT; General Characteristics Item Description: MATL: ALUMINUM ALLOY,AMS 4112,2024,T351; 2.490 IN. LGTH; INSIDE DIA: 1.250 IN. ONE END,2.100 IN. OTHER END; OPERATING PRESSURE 2000 PSIG MAX;PROOF PRESSURE 3.000 PSIG; BURST PRES-SURE 6000 PSIG; AMBIENT TEMPERATURE MINUS 65 DEG F TO PLUS 178 DEG F; FLUID TEMPERATURE MINUS 65 DEG F TO 275 DEG F; FLUID: MIL-H-5606 OR MIL-H-6083 HYDRAULIC FLUID; FULL FLOW: 12 GPM AT 180 PSID AND 105 DEG F MAX; IN-TERNAL LEAKAGE 5CC PM MIN R 15CC PM LEAKAGE; NHA P/N,AE-B741-241,CAGEC 18350,FSC 1650 IN; End Item Identification: PACER SPECIAL. 2 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 4820-01-370-2423 has DEMIL Code D. 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.