The Valve,air Outlet, cataloged under National Stock Number 4820-00-471-0368, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms). Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-471-0368 |
| Primary Part Number | 4A99030-101A |
| Item Name | Valve,air Outlet |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms) |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM BODY,SATIN ANODIZE FINISH,20 CFM RATED FLOW,FULL OPEN,MINUS 65 TO PLUS 250 DEG F OPERATING TEMPERATURE,1.820 IN. MAX DIA OF BODY,1.450 IN. MAX LG,CENTER FLANGE MTD,3.250 IN. OD OF FLANGE,4 MTG HOLES 0.198 IN. MIN,0.204 IN. MAX DIA,EQUALLY SPACED ON 2.620 IN. DIA BOLT CIRCLE 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 |
|---|---|
| 4A99030-101A PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms) (USA) |
| Reference | Meaning |
|---|---|
| 2460 | 5/9 Secondary reference Aerospace Lighting Corporation |
| 4A99030-101A | D/9 Drawing number reference only U.S. Government activity |
| 2460 | 5/9 Secondary reference U.S. Government activity |
| 4A99030-101A | 5/9 Secondary reference Lockheed Martin Services, Llc |
NSN 4820-00-471-0368 is a Valve,air Outlet, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-471-0368 has 1 manufacturer part number on file: 4A99030-101A (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms)).
Key specifications for 4A99030-101A: General Characteristics Item Description: ALUMINUM BODY,SATIN ANODIZE FINISH,20 CFM RATED FLOW,FULL OPEN,MINUS 65 TO PLUS 250 DEG F OPERATING TEMPERATURE,1.820 IN. MAX DIA OF BODY,1.450 IN. MAX LG,CENTER FLANGE MTD,3.250 IN. OD OF FLANGE,4 MTG HOLES 0.198 IN. MIN,0.204 IN. MAX DIA,EQUALLY SPACED ON 2.620 IN. DIA BOLT CIRCLE IN. 1 specification is 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.