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203MR011P001 — NUT,SELF-LOCKING,CLINCH

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

203MR011P001: NUT,SELF-LOCKING,CLINCH.

The NUT,SELF-LOCKING,CLINCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL EXCEPT INSERT, nut_style: CLINCH, nut_height: 0.198 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN, pilot_length: 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-208-4179, 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
203MR011P001
NSN: 5310-00-208-4179
FSC: 5310 — Nuts and Washers
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL EXCEPT INSERT
nut_styleCLINCH
nut_height0.198 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
pilot_length0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
pilot_diameter0.187 INCHES MINIMUM AND 0.191 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentCADMIUM NUT
width_across_flats0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
nominal_thread_size0.112 INCHES IN
NSN5310-00-208-4179
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 203MR011P001 · 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
•
WIDTH ACROSS FLATS: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
PILOT DIAMETER: 0.187 INCHES MINIMUM AND 0.191 INCHES MAXIMUM IN
•
PILOT LENGTH: 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
NUT HEIGHT: 0.198 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.112 INCHES IN
PILOT DIAMETER0.187 INCHES MINIMUM AND 0.191 INCHES MAXIMUM IN
PILOT LENGTH0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT0.198 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM NUT
NUT STYLECLINCH
SUBSTITUTES & CROSS-REFERENCES 8
79NC1-40Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
203MR0110001Reference document
Same NSN cross-reference
Reference document — Secondary reference
532362-401Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
DYRF176Reference document
Same NSN cross-reference
Reference document — Secondary reference
22NC1-40Reference document
Same NSN cross-reference
Reference document — Secondary reference
410966-401Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 203MR011P001?
203MR011P001 is a NUT,SELF-LOCKING,CLINCH.
What parts can replace 203MR011P001?
There are 8 known substitutes for 203MR011P001: 79NC1-40, 203MR0110001, 532362-401 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 203MR011P001?
203MR011P001 is cataloged in the U.S. Government catalog under NSN 5310-00-208-4179. This indicates validated use in U.S. government and defense supply chains.
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