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90402A146 — SCREW,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

90402A146: SCREW,ASSEMBLED WASHER.

The SCREW,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include head_style: UNDERCUT PAN NO. 2, head_height: 0.117 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.270 INCHES NOMINAL IN, thread_length: 0.375 INCHES NOMINAL IN, fastener_length: 0.375 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-588-7696, 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
90402A146
NSN: 5305-01-588-7696
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1050 OR STEEL COMP 1053 OR STEEL COMP 1054 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 PRIMARY WASHER
head_styleUNDERCUT PAN NO. 2
head_height0.117 INCHES NOMINAL IN
thread_class2A A
head_diameter0.270 INCHES NOMINAL IN
thread_length0.375 INCHES NOMINAL IN
fastener_length0.375 INCHES NOMINAL IN
hardness_rating60.0 ROCKWELL B NOMINAL OVERALL
washer_quantity1
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
internal_drive_styleCROSS RECESS TYPE II
NSN5305-01-588-7696
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 90402A146 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.117 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
THREAD PITCH IN MILLIMETERS: 1.0
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.285 INCHES NOMINAL IN
•
THREAD LENGTH: 0.375 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: WASHER MATERIAL CAN BE C1050 TO C1065 STEEL; USE NO 2 DRIVER
•
HARDNESS RATING: 60.0 ROCKWELL B NOMINAL OVERALL
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.117 INCHES NOMINAL IN
FASTENER LENGTH0.375 INCHES NOMINAL IN
THREAD PITCH IN MILLIMETERS1.0
PRIMARY WASHER OUTSIDE DIAMETER0.285 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES NOMINAL IN
SUPPLEMENTARY FEATURESWASHER MATERIAL CAN BE C1050 TO C1065 STEEL; USE NO 2 DRIVER
HARDNESS RATING60.0 ROCKWELL B NOMINAL OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEUNDERCUT PAN NO. 2
PRIMARY WASHER STYLEFLAT EXTERNAL TEETH
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 90402A146?
90402A146 is a SCREW,ASSEMBLED WASHER.
What is the NSN for 90402A146?
90402A146 is cataloged in the U.S. Government catalog under NSN 5305-01-588-7696. This indicates validated use in U.S. government and defense supply chains.
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