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20343-1 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

20343-1: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, seat_angle: 37.0 DEGREES, thread_class: 3A ALL ENDS A, overall_length: 2.840 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION, connection_style: FLARED ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-052-6900, 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
20343-1
NSN: 5310-00-052-6900
NIINs: 000526900, 005417319, 007378336
FSC: 5310 — Nuts and Washers
CAGE: 14802 — MANDZAK INSTRUMENTATION SPECIALISTS INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
seat_angle37.0 DEGREES
thread_class3A ALL ENDS A
overall_length2.840 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
connection_styleFLARED ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSAFETY LOCKING FEATURE
surface_treatmentANODIZE BODY
nominal_thread_size1.312 INCHES ALL ENDS IN
quick_disconnect_methodTWIST-LOCK ALL ENDS
thread_quantity_per_inch12 ALL ENDS
NSN5310-00-052-6900
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20343-1 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OVERALL DIAMETER: 0.922 INCHES NOMINAL IN
•
HARDNESS RATING: 50.0 DUROMETER NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765,CL 3,GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: RUBBER SYNTHETIC OVERALL
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CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.641 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.922 INCHES NOMINAL IN
HARDNESS RATING50.0 DUROMETER NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765,CL 3,GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALRUBBER SYNTHETIC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.641 INCHES NOMINAL IN
THICKNESS0.063 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
20343Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20343-1?
20343-1 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 20343-1?
There is 1 known substitute for 20343-1: 20343. Substitute compatibility should be verified for your specific system.
What is the NSN for 20343-1?
20343-1 is cataloged in the U.S. Government catalog under NSN 5310-00-052-6900. This indicates validated use in U.S. government and defense supply chains.
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