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Technical Data Sheet
PartsTable / COMPONENT / 810144
810144 ✓ 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

CASE,ELECTRICAL-ELECTRONIC TEST. Key specifications include end_item_identification: SPECIAL TOOLS AND SUPPORT EQUIP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-889-2544, 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
810144
NSN: 5310-00-889-2544
FSC: 5310
CAGE: 19203 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV US ARMY RESEARCH, DEVELOPMENT AND ENGINEERING COMMAND ARMAMENT (USA)
SPECIFICATIONS
end_item_identificationSPECIAL TOOLS AND SUPPORT EQUIP
NSN5310-00-889-2544
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 810144 · 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
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 32
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
COUNTERSINK ANGLE: 88.0 DEGREES NOMINAL NUT
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
THREAD QUANTITY PER INCH32
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
SURFACE TREATMENTCADMIUM OVERALL
NOMINAL THREAD SIZE0.138 INCHES IN
COUNTERSINK ANGLE88.0 DEGREES NOMINAL NUT
BEARING SURFACE FINISH125.0 MICROINCHES
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
6782886-62Interchangeable
interchangeable cross-reference
interchangeable
1801-62Interchangeable
interchangeable cross-reference
interchangeable
81014-4Interchangeable
interchangeable cross-reference
interchangeable
NAS1021A06Interchangeable
Same NIIN cross-reference
interchangeable
27FH-632Interchangeable
Same NIIN cross-reference
interchangeable
H5506CWInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 810144?
810144 is a CASE,ELECTRICAL-ELECTRONIC TEST.
What parts can replace 810144?
There are 8 known substitutes for 810144: 6782886-62, 1801-62, 81014-4 and 5 more. Substitute compatibility should be verified for your specific system.
Is 810144 still available?
810144 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026