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4A99030-101A — VALVE,AIR OUTLET

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4A99030-101A: VALVE,AIR OUTLET.

The VALVE,AIR OUTLET is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-00-471-0368, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4A99030-101A
NSN: 4820-00-471-0368
FSC: 4820 — Valves, Nonpowered
CAGE: 563J1 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV ROTARY AND MISSION SYSTEMS (RMS) (USA)
SPECIFICATIONS
Part Number4A99030-101A
NSN4820-00-471-0368
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4A99030-101A · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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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
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM 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
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
2460Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4A99030-101A?
4A99030-101A is a VALVE,AIR OUTLET.
What parts can replace 4A99030-101A?
There is 1 known substitute for 4A99030-101A: 2460. Substitute compatibility should be verified for your specific system.
What is the NSN for 4A99030-101A?
4A99030-101A is cataloged in the U.S. Government catalog under NSN 4820-00-471-0368. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.