The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-327-6277, 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 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-327-6277 |
| Primary Part Number | 57329-2 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Second End Relationship with First End | NOT IDENTICAL |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| First End Flange Outside Diameter | 0.375 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN |
| First End Style Designator | RECESSED |
| First End Recess Depth | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| First End Raised Face Diameter | 0.295 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-225/6, T4 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| End Connection Quantity | 2 |
| First End Connection Type | RECESSED FLANGE |
| Surface Treatment | ANODIZE OUTSIDE |
| Material | UNABLE TO DECODE |
| First End Flange Length | 0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN |
| Media for Which Designed | AIR |
| 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 |
|---|---|
| 57329-2 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 4820-01-327-6277 is a Valve,calibrated Flow, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-327-6277 has 1 manufacturer part number on file: 57329-2 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 57329-2: Second End Relationship with First End: NOT IDENTICAL; Surface Treatment Document and Classification: MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE; First End Flange Outside Diameter: 0.375 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN; First End Style Designator: RECESSED. 13 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.