PartsTable
Technical Data Sheet
389-16 ✓ 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 PISTON,HYDRAULIC ACCUMULATOR is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, thread_length: 110.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND, surface_treatment: ZINC OVERALL, width_between_flats: 46.0 MILLIMETERS NOMINAL MM, nominal_thread_diameter: 30.0 MILLIMETERS MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-526-3261, 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
389-16
NSN: 5340-00-526-3261
FSC: 5340
CAGE: 83930 — TRANSDIGM INC DBA ADEL WIGGINS GROUP DIV ADEL WIGGINS (USA)
SPECIFICATIONS
head_styleHEXAGON
thread_length110.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats46.0 MILLIMETERS NOMINAL MM
nominal_thread_diameter30.0 MILLIMETERS MM
part_name_assigned_by_controlling_agencyCAP SCREW
NSN5340-00-526-3261
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 389-16 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
TONGUE HOLE TYPE: ROUND, UNTHREADED
MATERIAL: STEEL CORROSION RESISTING CUSHION
STYLE DESIGNATOR: SINGLE LOOP
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.878 INCHES MINIMUM AND 1.898 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND
MATERIAL THICKNESS: 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.965 INCHES MINIMUM AND 0.975 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIALSTEEL CORROSION RESISTING CUSHION
STYLE DESIGNATORSINGLE LOOP
DISTANCE FROM LOOP CENTER TO TONGUE END1.878 INCHES MINIMUM AND 1.898 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND
MATERIAL THICKNESS0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
MATERIALSTEEL COMP 321 BAND
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.965 INCHES MINIMUM AND 0.975 INCHES MAXIMUM IN
DIAMETER0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
LOOP INSIDE DIAMETER1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
397-16Upgraded Successor
successor cross-reference
successor
AN4-22Upgraded Successor
successor cross-reference
successor
6515NCM105328Upgraded Successor
successor cross-reference
successor
16485Upgraded Successor
successor cross-reference
successor
310.634Upgraded Successor
successor cross-reference
successor
N389160058Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 389-16?
389-16 is a PISTON,HYDRAULIC ACCUMULATOR.
What parts can replace 389-16?
There are 18 known substitutes for 389-16: 397-16, AN4-22, 6515NCM105328 and 15 more. Substitute compatibility should be verified for your specific system.
Is 389-16 still available?
389-16 is currently cancelled.
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