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GB840A2 — BUSHING,KNOB REDUCI

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

GB840A2: BUSHING,KNOB REDUCI.

The BUSHING,KNOB REDUCI is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5355-00-979-9988, 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
GB840A2
NSN: 5355-00-979-9988
FSC: 5355 — Knobs and Pointers
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
Part NumberGB840A2
NSN5355-00-979-9988
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BUSHING,KNOB REDUCI TITLE COMPONENT PN GB840A2 MFR BUSHING,KNOB REDUCI
OTHER ITEMS IN FSC 5355 — Knobs and Pointers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5355-00-000-5777 5355-00-001-2029 5355-00-001-2403 5355-00-001-4109 5355-00-001-4677 5355-00-001-4724 5355-00-001-4730 5355-00-001-4734
SUBSTITUTES & CROSS-REFERENCES 2
RB100Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
559997-097Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 GB840A2?
GB840A2 is a BUSHING,KNOB REDUCI.
What parts can replace GB840A2?
There are 2 known substitutes for GB840A2: RB100, 559997-097. Substitute compatibility should be verified for your specific system.
What is the NSN for GB840A2?
GB840A2 is cataloged in the U.S. Government catalog under NSN 5355-00-979-9988. 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.