The Seat,valve, cataloged under National Stock Number 4820-01-271-3742, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-271-3742 |
| Primary Part Number | 365D065-1 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Flange Diameter | 3.240 INCHES MINIMUM AND 3.255 INCHES MAXIMUM IN |
| Body Outside Diameter | 2.763 INCHES MINIMUM AND 2.773 INCHES MAXIMUM IN |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 1.896 INCHES MINIMUM AND 1.898 INCHES MAXIMUM IN |
| Under Flange Height | 2.570 INCHES MINIMUM AND 2.573 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY OVERALL |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 365D065-1 PRIMARY | Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana (USA) |
| Reference | Meaning |
|---|---|
| 365D065-1 | 5/9 Secondary reference Bfm Energy Products Corp |
| 365D065-1 | 5/9 Secondary reference Derlan Inc |
| 365D065 | D/9 Drawing number reference only Bfm Energy Products Corp |
| 365D065 ITEM 1 | 5/9 Secondary reference Bfm Energy Products Corp |
NSN 4820-01-271-3742 is a Seat,valve, manufactured by Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-271-3742 has 1 manufacturer part number on file: 365D065-1 (Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana).
Key specifications for 365D065-1: Flange Seat to Disk End Height: 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Flange Diameter: 3.240 INCHES MINIMUM AND 3.255 INCHES MAXIMUM IN; Body Outside Diameter: 2.763 INCHES MINIMUM AND 2.773 INCHES MAXIMUM IN; Style Designator: PLAIN FLANGED. 8 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.