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A21808 — DETENT ASSEMBLY,MANUAL VALVE

✓ Government record, cited
GA.MA · GATE VALVE
PRODUCT OVERVIEW

A21808: DETENT ASSEMBLY,MANUAL VALVE.

The DETENT ASSEMBLY,MANUAL VALVE is a GA.MA industrial component. Key specifications include general_characteristics_item_description: 0.500 IN. LG OF PIN,0.281 IN.

DIA OF PIN IN. This part is cataloged in the U.S. Government catalog under NSN 4820-01-119-0677, 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
A21808
NSN: 4820-01-119-0677
FSC: 4820 — Valves, Nonpowered
CAGE: 94697 — MOOG INC (USA)
SPECIFICATIONS
general_characteristics_item_description0.500 IN. LG OF PIN,0.281 IN. DIA OF PIN IN
NSN4820-01-119-0677
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A21808 · GA.MA ⚠ 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 0.500 IN. LG OF PIN,0.281 IN. DIA OF PIN IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION0.500 IN. LG OF PIN,0.281 IN. DIA OF PIN 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 2
A21808-001Reference document
Same NSN cross-reference
Reference document — Secondary reference
A21808-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A21808?
A21808 is a DETENT ASSEMBLY,MANUAL VALVE manufactured by GA.MA.
What parts can replace A21808?
There are 2 known substitutes for A21808: A21808-001, A21808-1. Substitute compatibility should be verified for your specific system.
What is the NSN for A21808?
A21808 is cataloged in the U.S. Government catalog under NSN 4820-01-119-0677. This indicates validated use in U.S. government and defense supply chains.
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