PartsTable
Technical Data Sheet
203M0047P002 ✓ 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 NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: HEXAGON, nut_height: 0.312 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-208-1919, 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
203M0047P002
NSN: 5310-00-208-1919
FSC: 5310
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING INSERT
nut_styleHEXAGON
nut_height0.312 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL EXCEPT INSERT
width_across_flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
nominal_thread_size0.250 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
NSN5310-00-208-1919
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 203M0047P002 · 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
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
NOMINAL THREAD SIZE: 0.250 INCHES IN
NUT STYLE: HEXAGON
NUT HEIGHT: 0.312 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
MATERIAL: PLASTIC POLYAMIDE NYLON LOCKING INSERT
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS (FLIS)
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
NOMINAL THREAD SIZE0.250 INCHES IN
NUT STYLEHEXAGON
NUT HEIGHT0.312 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
MATERIALPLASTIC POLYAMIDE NYLON LOCKING INSERT
THREAD QUANTITY PER INCH20
SURFACE TREATMENTCADMIUM OVERALL EXCEPT INSERT
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
1273Interchangeable
interchangeable cross-reference
interchangeable
52430Interchangeable
interchangeable cross-reference
interchangeable
20BC02PInterchangeable
interchangeable cross-reference
interchangeable
5040G5022Interchangeable
interchangeable cross-reference
interchangeable
223439Interchangeable
interchangeable cross-reference
interchangeable
1709805Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203M0047P002?
203M0047P002 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 203M0047P002?
There are 27 known substitutes for 203M0047P002: 1273, 52430, 20BC02P and 24 more. Substitute compatibility should be verified for your specific system.
Is 203M0047P002 still available?
203M0047P002 is currently cancelled.
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