PartsTable
Technical Data Sheet
12604244-91 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,RECTANGULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PLAIN, RECTANGULAR, nut_width: 0.760 INCHES NOMINAL IN, nut_height: 0.240 INCHES NOMINAL IN, nut_length: 1.360 INCHES NOMINAL IN, thread_class: 2B. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-607-3427, 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
12604244-91
NSN: 5310-00-607-3427
FSC: 5310
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePLAIN, RECTANGULAR
nut_width0.760 INCHES NOMINAL IN
nut_height0.240 INCHES NOMINAL IN
nut_length1.360 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
special_featuresSPRINGS ATTACHED
thread_directionRIGHT-HAND
nominal_thread_size0.190 INCHES IN
thread_quantity_per_inch28
NSN5310-00-607-3427
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12604244-91 · 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
NUT LENGTH: 1.360 INCHES NOMINAL IN
MATERIAL: STEEL OVERALL
THREAD DIRECTION: RIGHT-HAND
NOMINAL THREAD SIZE: 0.190 INCHES IN
THREAD QUANTITY PER INCH: 28
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
NUT STYLE: PLAIN, RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
NUT LENGTH1.360 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESSPRINGS ATTACHED
NOMINAL THREAD SIZE0.190 INCHES IN
THREAD QUANTITY PER INCH28
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NUT STYLEPLAIN, RECTANGULAR
NUT WIDTH0.760 INCHES NOMINAL IN
NUT HEIGHT0.240 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
MIL-C-37015Interchangeable
interchangeable cross-reference
interchangeable
CAP,OPERATING,SURGICALInterchangeable
interchangeable cross-reference
interchangeable
4380CInterchangeable
interchangeable cross-reference
interchangeable
75831Interchangeable
interchangeable cross-reference
interchangeable
6171Interchangeable
interchangeable cross-reference
interchangeable
2057813Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12604244-91?
12604244-91 is a NUT,PLAIN,RECTANGULAR.
What parts can replace 12604244-91?
There are 22 known substitutes for 12604244-91: MIL-C-37015, CAP,OPERATING,SURGICAL, 4380C and 19 more. Substitute compatibility should be verified for your specific system.
Is 12604244-91 still available?
12604244-91 is currently cancelled.
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