PartsTable
Technical Data Sheet
AA55620-5S ✓ 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 BUCKLE is a the manufacturer industrial component. Key specifications include color: BLACK, overall_length: 1.875 INCHES NOMINAL IN, enameled_feature: INCLUDED, special_features: INSIDE LENGTH: 1.875 IN. NOM.,OUTSIDE WIDTH: 1.188 IN.

NOM.;MATERIAL: STEEL;STYLE DESIGNATOR: DOUBLE OPENING IN, surface_treatment: ENAMEL, specification/standard_data: 96906-MS51940 GOVERNMENT STANDARD. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-239-1230, 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
AA55620-5S
NSN: 5340-01-239-1230
FSC: 5340
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
colorBLACK
overall_length1.875 INCHES NOMINAL IN
enameled_featureINCLUDED
special_featuresINSIDE LENGTH: 1.875 IN. NOM.,OUTSIDE WIDTH: 1.188 IN. NOM.;MATERIAL: STEEL;STYLE DESIGNATOR: DOUBLE OPENING IN
surface_treatmentENAMEL
specification/standard_data96906-MS51940 GOVERNMENT STANDARD
NSN5340-01-239-1230
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AA55620-5S 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
COLOR: BLACK
SURFACE TREATMENT: ENAMEL
ENAMELED FEATURE: INCLUDED
SPECIFICATION/STANDARD DATA: 96906-MS51940 GOVERNMENT STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
COLORBLACK
SPECIAL FEATURESINSIDE LENGTH: 1.875 IN. NOM.,OUTSIDE WIDTH: 1.188 IN. NOM.;MATERIAL: STEEL;STYLE DESIGNATOR: DOUBLE OPENING IN
SURFACE TREATMENTENAMEL
ENAMELED FEATUREINCLUDED
SPECIFICATION/STANDARD DATA96906-MS51940 GOVERNMENT STANDARD
OVERALL LENGTH1.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
02300-1Interchangeable
interchangeable cross-reference
interchangeable
A-A-55620Interchangeable
interchangeable cross-reference
interchangeable
826720Interchangeable
interchangeable cross-reference
interchangeable
MS51940-3SInterchangeable
interchangeable cross-reference
interchangeable
AA55620-3SInterchangeable
interchangeable cross-reference
interchangeable
5340-821-5871Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA55620-5S?
AA55620-5S is a BUCKLE.
What parts can replace AA55620-5S?
There are 13 known substitutes for AA55620-5S: 02300-1, A-A-55620, 826720 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA55620-5S?
AA55620-5S is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-239-1230. This indicates validated use in U.S. government and defense supply chains.
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