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PartsTable / COMPONENT / MS1782916C
MS1782916C ✓ 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,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include departure_from_cited_document: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS, criticality_code_justification: ZZZW. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-519-6628, 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
MS1782916C
NSN: 5310-00-519-6628
FSC: 5310
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
criticality_code_justificationZZZW
NSN5310-00-519-6628
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS1782916C · 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
•
SURFACE TREATMENT: CADMIUM NUT
•
NUT STYLE: HEXAGON
•
COUNTERSINK ANGLE: 88.0 DEGREES NOMINAL NUT
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH ACROSS FLATS: 1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 8
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM NUT
NUT STYLEHEXAGON
COUNTERSINK ANGLE88.0 DEGREES NOMINAL NUT
NOMINAL THREAD SIZE1.000 INCHES IN
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
THREAD CLASS3B
THREAD QUANTITY PER INCH8
BEARING SURFACE FINISH125.0 MICROINCHES
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
MS17829-16CL1Interchangeable
interchangeable cross-reference
interchangeable
298365ITEM22Interchangeable
interchangeable cross-reference
interchangeable
298365ITEM22L1Interchangeable
interchangeable cross-reference
interchangeable
1-8UNC-2BInterchangeable
interchangeable cross-reference
interchangeable
1.00008UNC2BT1G5NSBAMInterchangeable
interchangeable cross-reference
interchangeable
MIL-S-1222G TY1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS1782916C?
MS1782916C is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace MS1782916C?
There are 16 known substitutes for MS1782916C: MS17829-16CL1, 298365ITEM22, 298365ITEM22L1 and 13 more. Substitute compatibility should be verified for your specific system.
Is MS1782916C still available?
MS1782916C 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