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A51HGSK20-100 — PARTS KIT,RESERVOIR,HYDRAULIC FL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A51HGSK20-100: PARTS KIT,RESERVOIR,HYDRAULIC FL.

PARTS KIT,RESERVOIR,HYDRAULIC FL. This part is cataloged in the U.S. Government catalog under NSN 1650-00-159-7757, 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
A51HGSK20-100
NSN: 1650-00-159-7757
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
Part NumberA51HGSK20-100
NSN1650-00-159-7757
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PARTS KIT,RESERVOIR,HYDRAULIC FL TITLE COMPONENT PN A51HGSK20-100 MFR PARTS KIT,RESERVOIR,HY
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: C/O 1 PACKING,PREFORMED MS28775-446,1 PACKING,PREFORMED MS28775-223,1 RETAINER MS28774-443,2 RETAINERS MS28774-223,1 RETAINER MS28774-218,1 SEAL,RING GS570CL4 FSCM 26512,1 SEAL,RINGGS570CL1 FSCM 26512
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONC/O 1 PACKING,PREFORMED MS28775-446,1 PACKING,PREFORMED MS28775-223,1 RETAINER MS28774-443,2 RETAINERS MS28774-223,1 RETAINER MS28774-218,1 SEAL,RING GS570CL4 FSCM 26512,1 SEAL,RINGGS570CL1 FSCM 26512
OTHER ITEMS IN FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1650-00-000-0127 1650-00-000-0128 1650-00-000-0130 1650-00-000-0131 1650-00-000-0151 1650-00-000-0152 1650-00-001-1732 1650-00-001-1734
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A51HGSK20-100?
A51HGSK20-100 is a PARTS KIT,RESERVOIR,HYDRAULIC FL.
What is the NSN for A51HGSK20-100?
A51HGSK20-100 is cataloged in the U.S. Government catalog under NSN 1650-00-159-7757. 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.