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X21-12 — WYE,QUICK DISCONNECT

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

X21-12: WYE,QUICK DISCONNECT.

The WYE,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1137, thread_class: 2A NUT THREAD A, thread_length: 0.562 INCHES MINIMUM STUD THREAD IN, overall_length: 1.266 INCHES NOMINAL IN, special_features: ITEM C/O CONTROL VALVE,CONNECTOR,CARD AND CAP, thread_direction: RIGHT-HAND STUD THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-741-2348, 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
X21-12
NSN: 5307-00-741-2348
NIINs: 007412348, 011908413
FSC: 5307 — Studs
CAGE: 33323 — KENWORTH TRUCK CO A DIV OF PACCAR INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1137
thread_class2A NUT THREAD A
thread_length0.562 INCHES MINIMUM STUD THREAD IN
overall_length1.266 INCHES NOMINAL IN
special_featuresITEM C/O CONTROL VALVE,CONNECTOR,CARD AND CAP
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.375 INCHES STUD THREAD IN
end_item_identification2350-01-087-1095.M1A1
thread_quantity_per_inch24 NUT THREAD
thread_series_designatorUNF NUT THREAD
material_document_and_classificationQQ-S-633,COMP C FED SPEC SINGLE MATERIAL RESPONSE
NSN5307-00-741-2348
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: X21-12 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD LENGTH: 0.562 INCHES MINIMUM STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,COMP C FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.375 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.562 INCHES MINIMUM STUD THREAD IN
THREAD LENGTH0.578 INCHES MINIMUM NUT THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,COMP C FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.266 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.375 INCHES NUT THREAD IN
THREAD CLASS2A NUT THREAD A
THREAD CLASS5A STUD THREAD A
SUBSTITUTES & CROSS-REFERENCES 3
634618Reference document
Same NSN cross-reference
Reference document — Secondary reference
22079JReference document
Same NSN cross-reference
Reference document — Secondary reference
323335Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is X21-12?
X21-12 is a WYE,QUICK DISCONNECT.
What parts can replace X21-12?
There are 3 known substitutes for X21-12: 634618, 22079J, 323335. Substitute compatibility should be verified for your specific system.
What is the NSN for X21-12?
X21-12 is cataloged in the U.S. Government catalog under NSN 5307-00-741-2348. This indicates validated use in U.S. government and defense supply chains.
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