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VN427AC048 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

VN427AC048: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL OVERALL, nut_style: DOUBLE HEXAGON, lubrication: SOLUBLE LUBRICANT, thread_class: 3B, thread_series: UNEF, overall_height: 0.290 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-046-5388, 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
VN427AC048
NSN: 5310-01-046-5388
FSC: 5310 — Nuts and Washers
CAGE: 92215 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleDOUBLE HEXAGON
lubricationSOLUBLE LUBRICANT
thread_class3B
thread_seriesUNEF
overall_height0.290 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
washer_thickness0.040 INCHES MINIMUM IN
width_across_flats0.322 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
washer_outside_diameter0.444 INCHES MAXIMUM IN
NSN5310-01-046-5388
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: VN427AC048 · 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
•
LUBRICATION: SOLUBLE LUBRICANT
•
WASHER OUTSIDE DIAMETER: 0.444 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.322 INCHES NOMINAL IN
•
THREAD SERIES: UNEF
•
WASHER THICKNESS: 0.040 INCHES MINIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
LUBRICATIONSOLUBLE LUBRICANT
OVERALL HEIGHT0.290 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER0.444 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.322 INCHES NOMINAL IN
THREAD SERIESUNEF
WASHER THICKNESS0.040 INCHES MINIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
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
202-16122-4PSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 VN427AC048?
VN427AC048 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What parts can replace VN427AC048?
There is 1 known substitute for VN427AC048: 202-16122-4P. Substitute compatibility should be verified for your specific system.
What is the NSN for VN427AC048?
VN427AC048 is cataloged in the U.S. Government catalog under NSN 5310-01-046-5388. This indicates validated use in U.S. government and defense supply chains.
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