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0325381 — Technical Data Sheet

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— · 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 material: STEEL OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 0.500 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNEF, thread_direction: LEFT-HAND. This part is cataloged in the Federal Logistics Information System under NSN 5310-00-275-1974, 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
0325381
NSN: 5310-00-275-1974
FSC: 5310
CAGE: H0001 — DAF TRUCKS N.V. (NLD)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSLOTTED, HEXAGON
nut_height0.500 INCHES NOMINAL IN
thread_class3B
thread_seriesUNEF
thread_directionLEFT-HAND
width_across_flats1.500 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch20
NSN5310-00-275-1974
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0325381 · 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: UNEF
•
THREAD QUANTITY PER INCH: 20
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
BEARING SURFACE TYPE: WASHER FACED
•
NUT HEIGHT: 0.500 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 1.500 INCHES NOMINAL IN
•
THREAD DIRECTION: LEFT-HAND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNEF
THREAD QUANTITY PER INCH20
NOMINAL THREAD SIZE1.000 INCHES IN
BEARING SURFACE TYPEWASHER FACED
NUT HEIGHT0.500 INCHES NOMINAL IN
WIDTH ACROSS FLATS1.500 INCHES NOMINAL IN
THREAD DIRECTIONLEFT-HAND
MATERIALSTEEL OVERALL
THREAD CLASS3B
NUT STYLESLOTTED, HEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
5266InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
38223InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
13399InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
576-942-003-100InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
667031InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
395000InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0325381?
0325381 is a NUT,PLAIN,SLOTTED,HEXAGON.
What parts can replace 0325381?
There are 18 known substitutes for 0325381: 5266, 38223, 13399 and 15 more. Substitute compatibility should be verified for your specific system.
Is 0325381 still available?
0325381 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026