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631868 — CYLINDER,HYDRAULIC BRAKE,MASTER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

631868: CYLINDER,HYDRAULIC BRAKE,MASTER.

CYLINDER,HYDRAULIC BRAKE,MASTER. Key specifications include temp_rating: -30.0 FAHRENHEIT SINGLE PORT DEGF, bore_diameter: 0.750 INCHES NOMINAL IN, overall_diameter: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN, special_features: SNGLE ACTING CYLINDER W/BREATHER FILTER, surface_treatment: CHROMIUM, end_item_identification: 2350010809088. This part is cataloged in the U.S.

Government catalog under NSN 6605-00-728-3587, 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
631868
NSN: 6605-00-728-3587
NIINs: 007283587, 011642398
FSC: 6605 — Navigational Instruments
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
temp_rating-30.0 FAHRENHEIT SINGLE PORT DEGF
bore_diameter0.750 INCHES NOMINAL IN
overall_diameter1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
special_featuresSNGLE ACTING CYLINDER W/BREATHER FILTER
surface_treatmentCHROMIUM
end_item_identification2350010809088
NSN6605-00-728-3587
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER,HYDRAULIC BRAKE,MASTER TITLE COMPONENT PN 631868 MFR CYLINDER,HYDRAULIC BRA
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 631868?
631868 is a CYLINDER,HYDRAULIC BRAKE,MASTER.
What is the NSN for 631868?
631868 is cataloged in the U.S. Government catalog under NSN 6605-00-728-3587. 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.