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5338736-203 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5338736-203: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 NUT, nut_style: HEXAGON, nut_height: 6.4 MILLIMETERS MINIMUM AND 6.7 MILLIMETERS MAXIMUM MM, locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT, thread_direction: RIGHT-HAND, surface_treatment: PASSIVATE NUT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-112-1207, 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
5338736-203
NSN: 5310-01-112-1207
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 316 NUT
nut_styleHEXAGON
nut_height6.4 MILLIMETERS MINIMUM AND 6.7 MILLIMETERS MAXIMUM MM
thread_seriesM
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE NUT
width_across_flats7.88 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM MM
nominal_thread_size5.0 MILLIMETERS MM
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_tolerance_class6H INTERNAL
thread_pitch_in_millimeters0.80
NSN5310-01-112-1207
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5338736-203 · 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: 7.88 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM MM
•
THREAD TOLERANCE CLASS: 6H INTERNAL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT
•
THREAD SERIES: M
•
THREAD PITCH IN MILLIMETERS: 0.80
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE NUT
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS7.88 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM MM
THREAD TOLERANCE CLASS6H INTERNAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT
THREAD SERIESM
THREAD PITCH IN MILLIMETERS0.80
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE5.0 MILLIMETERS MM
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
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 2
5310PL0818203Reference document
Same NSN cross-reference
Reference document — Informative reference only
2146-09-242Reference 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 5338736-203?
5338736-203 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 5338736-203?
There are 2 known substitutes for 5338736-203: 5310PL0818203, 2146-09-242. Substitute compatibility should be verified for your specific system.
What is the NSN for 5338736-203?
5338736-203 is cataloged in the U.S. Government catalog under NSN 5310-01-112-1207. This indicates validated use in U.S. government and defense supply chains.
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