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4-878-4 — NUT,PLAIN,WELDING

✓ Government record, cited
GIGABYTE · NUT WASHER
PRODUCT OVERVIEW

4-878-4: NUT,PLAIN,WELDING.

WINDFORCE 2X COOLING SYSTEM WINDFORCE 2X cooling system features 2x 90mm unique blade fans, alternate spinning fan, a composite copper heat pipe direct touch GPU and 3D active fan functionality, together delivering an effective heat dissipation capacity for higher performance at lower temperatures. ALTERNATE SPINNING The GIGABYTE patent “Alternate Spinning” is the only solution that can solve the turbulent airflow of adjacent fans. Since the adjacent fans rotate in the same direction, the airflow direction is opposite between the fans, which will cause turbulent airflow and reduce heat dissipation efficiency.

GIGABYTE turns the adjacent fans in the opposite direction, so that the airflow direction between the two fans is the same, reducing the turbulence and enhancing the airflow pressure. UNIQUE BLADE FAN The airflow is spilt by the triangular fan edge, and guided smoothly through the 3D stripe curve on the fan surface, effective This part is cataloged in the U.S. Government catalog under NSN 5310-00-124-9272, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
4-878-4
NSN: 5310-00-124-9272
FSC: 5310 — Nuts and Washers
CAGE: 93929 — RADIODETECTION, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePLAIN WELDING
nut_length0.812 INCHES NOMINAL IN
thread_class2B
nut_thickness0.125 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.500 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch20
NSN5310-00-124-9272
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4-878-4 · GIGABYTE ⚠ 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
•
WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
•
NUT LENGTH: 0.812 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
NUT THICKNESS: 0.125 INCHES NOMINAL IN
•
NUT STYLE: PLAIN WELDING
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
NUT LENGTH0.812 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
NUT THICKNESS0.125 INCHES NOMINAL IN
NUT STYLEPLAIN WELDING
THREAD CLASS2B
THREAD QUANTITY PER INCH20
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
RN2113Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4-878-4?
4-878-4 is a NUT,PLAIN,WELDING manufactured by GIGABYTE.
What parts can replace 4-878-4?
There is 1 known substitute for 4-878-4: RN2113. Substitute compatibility should be verified for your specific system.
What is the NSN for 4-878-4?
4-878-4 is cataloged in the U.S. Government catalog under NSN 5310-00-124-9272. This indicates validated use in U.S. government and defense supply chains.
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