The Flange,gland,valve, cataloged under National Stock Number 4820-01-421-2565, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-421-2565 |
| Primary Part Number | 881905-2 |
| Item Name | Flange,gland,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR |
| Surface Treatment Document and Classification | MIL-A-8625D,TYPE III MIL SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE |
| Bolt Hole Nominal Diameter | 0.189 INCHES IN |
| Bolt Hole Quantity | 4 |
| Nominal Center Hole Diameter | 1.055 INCHES IN |
| Surface Treatment | ANODIZE |
| Flange Width | 1.375 INCHES IN |
| Material | ALUMINUM ALLOY |
| Flange Length | 1.375 INCHES 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 |
|---|---|
| 881905-2 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 881905-2 | 5/2 Secondary reference U.S. Government activity |
| 881905 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-421-2565 is a Flange,gland,valve, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-421-2565 has 1 manufacturer part number on file: 881905-2 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 881905-2: Flange Shape: RECTANGULAR; Surface Treatment Document and Classification: MIL-A-8625D,TYPE III MIL SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE; Bolt Hole Nominal Diameter: 0.189 INCHES IN. 10 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.