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646639 — PLUG,VALVE CHAMBER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

646639: PLUG,VALVE CHAMBER.

The PLUG,VALVE CHAMBER is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 1620-00-605-9548, 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
646639
NSN: 1620-00-605-9548
NIINs: 006059548, 007401749
FSC: 1620 — Aircraft Landing Gear Components
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionALUMINUM ALLOY 24S-T4 QQ-A-268,1.140 IN. O/A LG,0.750-16 UNF-2A THD,WITH LOCKWIRE HOLES,0.750 IN. W ACROSS FLTS WRENCHING FACILITY,INTERNALLY RELIEVED A
NSN1620-00-605-9548
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLUG,VALVE CHAMBER TITLE COMPONENT PN 646639 MFR PLUG,VALVE CHAMBER
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM ALLOY 24S-T4 QQ-A-268,1.140 IN. O/A LG,0.750-16 UNF-2A THD,WITH LOCKWIRE HOLES,0.750 IN. W ACROSS FLTS WRENCHING FACILITY,INTERNALLY RELIEVED A
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM ALLOY 24S-T4 QQ-A-268,1.140 IN. O/A LG,0.750-16 UNF-2A THD,WITH LOCKWIRE HOLES,0.750 IN. W ACROSS FLTS WRENCHING FACILITY,INTERNALLY RELIEVED A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 646639?
646639 is a PLUG,VALVE CHAMBER.
What is the NSN for 646639?
646639 is cataloged in the U.S. Government catalog under NSN 1620-00-605-9548. 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.