PartsTable
Technical Data Sheet
143053 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SLOTTED, HEXAGON, body_width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, head_style: HEXAGON, nut_height: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-141-3004, 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
143053
NSN: 5310-00-141-3004
FSC: 5310
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSLOTTED, HEXAGON
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
head_styleHEXAGON
nut_height0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.796 INCHES MAXIMUM IN
thread_class2A A
thread_seriesUNF
fastener_length1.000 INCHES NOMINAL IN
hardness_rating19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
special_featuresSTOTTED HUB; FOUR SLOTS
NSN5310-00-141-3004
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 143053 · 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 CLASS: 3B
HARDNESS RATING: 19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
FEATURES PROVIDED: CASEHARDENED
NOMINAL THREAD SIZE: 0.250 INCHES IN
THREAD QUANTITY PER INCH: 28
THREAD SERIES: UNF
SURFACE TREATMENT: CADMIUM OVERALL
NUT HEIGHT: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
HARDNESS RATING19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
FEATURES PROVIDEDCASEHARDENED
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD QUANTITY PER INCH28
THREAD SERIESUNF
SURFACE TREATMENTCADMIUM OVERALL
NUT HEIGHT0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MC936LB2Interchangeable
interchangeable cross-reference
interchangeable
SL10829Interchangeable
interchangeable cross-reference
interchangeable
143053Interchangeable
interchangeable cross-reference
interchangeable
5306PL0939717Interchangeable
interchangeable cross-reference
interchangeable
80262Interchangeable
interchangeable cross-reference
interchangeable
10139102Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 143053?
143053 is a MICROCIRCUIT,DIGITAL.
What parts can replace 143053?
There are 11 known substitutes for 143053: MC936LB2, SL10829, 143053 and 8 more. Substitute compatibility should be verified for your specific system.
Is 143053 still available?
143053 is currently cancelled.
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