PartsTable
Technical Data Sheet
630784 ✓ 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,OCTAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, nut_style: PLAIN, OCTAGON, nut_height: 0.310 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNS, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-752-1633, 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
630784
NSN: 5310-00-752-1633
FSC: 5310
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
nut_stylePLAIN, OCTAGON
nut_height0.310 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNS
thread_directionRIGHT-HAND
features_providedCASEHARDENED
width_across_flats2.969 INCHES MINIMUM AND 3.031 INCHES MAXIMUM IN
nominal_thread_size2.438 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch16
material_document_and_classificationQQ-S-635 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-752-1633
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 630784 · 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 DIRECTION: RIGHT-HAND
MATERIAL: STEEL COMP 1020 OVERALL
THREAD QUANTITY PER INCH: 16
BEARING SURFACE TYPE: CHAMFERED
NOMINAL THREAD SIZE: 2.438 INCHES IN
THREAD SERIES: UNS
FEATURES PROVIDED: CASEHARDENED
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-635 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 1020 OVERALL
THREAD QUANTITY PER INCH16
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE2.438 INCHES IN
THREAD SERIESUNS
FEATURES PROVIDEDCASEHARDENED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-635 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
WIDTH ACROSS FLATS2.969 INCHES MINIMUM AND 3.031 INCHES MAXIMUM IN
NUT HEIGHT0.310 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
317Interchangeable
interchangeable cross-reference
interchangeable
S1449768Interchangeable
interchangeable cross-reference
interchangeable
111X08503X0000Interchangeable
interchangeable cross-reference
interchangeable
6317Interchangeable
interchangeable cross-reference
interchangeable
5310002202665Interchangeable
interchangeable cross-reference
interchangeable
10896720Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 630784?
630784 is a NUT,PLAIN,OCTAGON.
What parts can replace 630784?
There are 18 known substitutes for 630784: 317, S1449768, 111X08503X0000 and 15 more. Substitute compatibility should be verified for your specific system.
Is 630784 still available?
630784 is currently cancelled.
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