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RMLH3830-054 — NUT,PLAIN,EXTENDED WASHER,DOUBLE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

RMLH3830-054: NUT,PLAIN,EXTENDED WASHER,DOUBLE.

NUT,PLAIN,EXTENDED WASHER,DOUBLE. Key specifications include material: STEEL COMP 8740 OVERALL, nut_style: DOUBLE HEXAGON, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-110-1550, 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
RMLH3830-054
NSN: 5310-00-110-1550
NIINs: 001101550, 013777928
FSC: 5310 — Nuts and Washers
CAGE: 019L2 — ESNA, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
nut_styleDOUBLE HEXAGON
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
overall_height0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
washer_thickness0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
width_across_flats0.369 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
nominal_thread_size0.312 INCHES IN
washer_outside_diameter0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
NSN5310-00-110-1550
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: RMLH3830-054 · 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
•
WASHER OUTSIDE DIAMETER: 0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.369 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF
•
WASHER THICKNESS: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.369 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING450.0 FAHRENHEIT NOMINAL DEGF
WASHER THICKNESS0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.312 INCHES IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 RMLH3830-054?
RMLH3830-054 is a NUT,PLAIN,EXTENDED WASHER,DOUBLE.
What is the NSN for RMLH3830-054?
RMLH3830-054 is cataloged in the U.S. Government catalog under NSN 5310-00-110-1550. This indicates validated use in U.S. government and defense supply chains.
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