The Valve,check, cataloged under National Stock Number 4820-00-032-7332, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-032-7332 |
| Primary Part Number | 17341-2 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND SECOND END |
| Renewable Seat Ring Type | BOLTED |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Surface Treatment Document and Classification | MIL-A-8625C,TYPE 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | QQ-A-591 ALLOY 13OR 360 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter | 2.063 INCHES SECOND END IN |
| Disk Loading Method | SPRING |
| Surface Treatment | ANODIZE |
| Face to Face Distance | 0.187 INCHES IN |
| Material | ALUMINUM ALLOY BODY |
| Raised Face Nominal Diameter | 1.936 INCHES SECOND END IN |
| Valve Operation Method | AUTOMATIC |
| Raised Face Nominal Height | 0.142 INCHES SECOND END IN |
| Nominal Thickness | 0.045 INCHES ALL ENDS 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 |
|---|---|
| 17341-2 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 17341-2 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 4820-00-032-7332 is a Valve,check, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-032-7332 has 1 manufacturer part number on file: 17341-2 (Honeywell International Inc. Div Aerospace - Torrance).
1 possible match (shared part number, not a government interchangeability claim): 3950-01-506-5620. Verify interchangeability with system specifications before substitution.
Key specifications for 17341-2: Flow Control Device: DISK; Flange Shape: ROUND SECOND END; Renewable Seat Ring Type: BOLTED; Flange Face Design: RAISED STRAIGHT SECOND END. 16 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.