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7748742 — PLUG,MACHINE THREAD

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7748742: PLUG,MACHINE THREAD.

The PLUG,MACHINE THREAD is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, thread_class: 3A EXTERNAL A, connection_style: PLAIN, thread_direction: RIGHT-HAND EXTERNAL, nominal_thread_size: 0.562 INCHES EXTERNAL IN, thread_series_designator: UNIFIED NATIONAL JOINT FINE (UNJF) EXTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-079-1979, 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
7748742
NSN: 5310-00-079-1979
NIINs: 000791979, 011435116
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
thread_class3A EXTERNAL A
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
nominal_thread_size0.562 INCHES EXTERNAL IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) EXTERNAL
material_document_and_classificationAMS 4117 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-079-1979
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7748742 · 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
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 1.062 INCHES NOMINAL IN
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HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM
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CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
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SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
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PERIPHERAL SHAPE STYLE: ROUND
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MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER1.062 INCHES NOMINAL IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATION2350-00-122-6826
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.531 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
5310000791979Reference document
Same NSN cross-reference
Reference document — Informative reference only
7404151-10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7748742?
7748742 is a PLUG,MACHINE THREAD.
What parts can replace 7748742?
There are 2 known substitutes for 7748742: 5310000791979, 7404151-10. Substitute compatibility should be verified for your specific system.
What is the NSN for 7748742?
7748742 is cataloged in the U.S. Government catalog under NSN 5310-00-079-1979. This indicates validated use in U.S. government and defense supply chains.
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