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Technical Data Sheet
PartsTable / COMPONENT / A-A-1926
A-A-1926 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The CLOSER,DOOR is a the manufacturer industrial component. Key specifications include length: 4.000 INCHES NOMINAL OVERALL IN, material: STEEL MOUNTING BRACKET, unit_type: SINGLE ACTION, control_type: AIR, special_features: TUBE DIA:1.125 IN.DIA;COLOR:NO.689 APPENDIX A IN, surface_treatment: LACQUER OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-000-0059, 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
A-A-1926
NSN: 5340-00-000-0059
FSC: 5340
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
length4.000 INCHES NOMINAL OVERALL IN
materialSTEEL MOUNTING BRACKET
unit_typeSINGLE ACTION
control_typeAIR
special_featuresTUBE DIA:1.125 IN.DIA;COLOR:NO.689 APPENDIX A IN
surface_treatmentLACQUER OVERALL
operational_directionLEFT-HAND OR RIGHT-HAND
mounting_type_for_which_designedSURFACE
NSN5340-00-000-0059
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-A-1926 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OPERATIONAL DIRECTION: LEFT-HAND OR RIGHT-HAND
•
CONTROL TYPE: LIQUID
•
UNIT TYPE: SINGLE ACTION
•
MOUNTING TYPE FOR WHICH DESIGNED: SURFACE
TECHNICAL CHARACTERISTICS (FLIS)
OPERATIONAL DIRECTIONLEFT-HAND OR RIGHT-HAND
CONTROL TYPELIQUID
UNIT TYPESINGLE ACTION
SPECIAL FEATURESNONGOVERNMENT DOCUMENT DATA:80204-A156.4
MOUNTING TYPE FOR WHICH DESIGNEDSURFACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
FF-H-121Upgraded Successor
successor cross-reference
successor
BHMA-A156.4 C02012 SIZE 5Upgraded Successor
successor cross-reference
successor
BHMA-A156.4Upgraded Successor
successor cross-reference
successor
BHMA-A156.4 C02012 SIZE 2Upgraded Successor
successor cross-reference
successor
A156.4 TYPE C02 012 SIZE 3Upgraded Successor
successor cross-reference
successor
BHMA-A156.4 C02012 SIZE 3Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-1926?
A-A-1926 is a CLOSER,DOOR.
What parts can replace A-A-1926?
There are 14 known substitutes for A-A-1926: FF-H-121, BHMA-A156.4 C02012 SIZE 5, BHMA-A156.4 and 11 more. Substitute compatibility should be verified for your specific system.
Is A-A-1926 still available?
A-A-1926 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026