PartsTable
Technical Data Sheet
S379 ✓ 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,SLOTTED,HEXAGON is a the manufacturer industrial component. Key specifications include usage_design: CONTROL SHUTTERS, mounting_method: FLANGE, thermostat_type: SOLID EXPANSION, thread_direction: RIGHT-HAND, operating_temp_rating: 160.0 FAHRENHEIT MINIMUM AND 181.0 FAHRENHEIT MAXIMUM DEGF, largest_outside_diameter: 1.306 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-430-1568, 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
S379
NSN: 5310-00-430-1568
FSC: 5310
CAGE: 63659 — WALTER MOTOR TRUCK CO (USA)
SPECIFICATIONS
usage_designCONTROL SHUTTERS
mounting_methodFLANGE
thermostat_typeSOLID EXPANSION
thread_directionRIGHT-HAND
operating_temp_rating160.0 FAHRENHEIT MINIMUM AND 181.0 FAHRENHEIT MAXIMUM DEGF
largest_outside_diameter1.306 INCHES NOMINAL IN
spring_operated_pressure_reliefNOT PROVIDED
thread_size_and_series/type_designator5/8-24 UNEF
NSN5310-00-430-1568
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S379 · 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 SERIES: UNF
BEARING SURFACE TYPE: WASHER FACED
NOMINAL THREAD SIZE: 1.250 INCHES IN
THREAD QUANTITY PER INCH: 12
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: STEEL COMP 1020 OVERALL
NUT HEIGHT: 0.625 INCHES NOMINAL IN
THREAD CLASS: 1B
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNF
BEARING SURFACE TYPEWASHER FACED
NOMINAL THREAD SIZE1.250 INCHES IN
THREAD QUANTITY PER INCH12
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1020 OVERALL
NUT HEIGHT0.625 INCHES NOMINAL IN
THREAD CLASS1B
WIDTH ACROSS FLATS1.812 INCHES NOMINAL IN
NUT STYLESLOTTED, HEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
234222Interchangeable
interchangeable cross-reference
interchangeable
M113Interchangeable
interchangeable cross-reference
interchangeable
RELEASE5870Interchangeable
interchangeable cross-reference
interchangeable
258409-1Interchangeable
interchangeable cross-reference
interchangeable
11731474Interchangeable
interchangeable cross-reference
interchangeable
1377-M763Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S379?
S379 is a NUT,PLAIN,SLOTTED,HEXAGON.
What parts can replace S379?
There are 16 known substitutes for S379: 234222, M113, RELEASE5870 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S379?
S379 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-430-1568. This indicates validated use in U.S. government and defense supply chains.
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