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RMLHA73-4-02 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

RMLHA73-4-02: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: PLATE, nut_height: 0.200 INCHES NOMINAL IN, nut_length: 0.730 INCHES NOMINAL IN, lubrication: DRY FILM LUBRICANT, plate_width: 0.449 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-266-5381, 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
RMLHA73-4-02
NSN: 5310-01-266-5381
FSC: 5310 — Nuts and Washers
CAGE: 019L2 — ESNA, LLC (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_stylePLATE
nut_height0.200 INCHES NOMINAL IN
nut_length0.730 INCHES NOMINAL IN
lubricationDRY FILM LUBRICANT
plate_width0.449 INCHES NOMINAL IN
temp_rating450.0 FAHRENHEIT MAXIMUM DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
plate_thickness0.072 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
special_featuresDRY FILM LUBRICANT
thread_directionRIGHT-HAND
NSN5310-01-266-5381
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: RMLHA73-4-02 · 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
•
LUBRICATION: DRY FILM LUBRICANT
•
PLATE THICKNESS: 0.072 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
•
NUT LENGTH: 0.730 INCHES NOMINAL IN
•
DISTANCE FROM MOUNTING HOLE CENTER TO BASE: 0.450 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
PLATE WIDTH: 0.449 INCHES NOMINAL IN
•
TEMP RATING: 450.0 FAHRENHEIT MAXIMUM DEGF
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
PLATE THICKNESS0.072 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
NUT LENGTH0.730 INCHES NOMINAL IN
DISTANCE FROM MOUNTING HOLE CENTER TO BASE0.450 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
PLATE WIDTH0.449 INCHES NOMINAL IN
TEMP RATING450.0 FAHRENHEIT MAXIMUM DEGF
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
DISTANCE FROM BASE TO CENTER OF APERTURE0.281 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
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 1
10110246Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RMLHA73-4-02?
RMLHA73-4-02 is a NUT,SELF-LOCKING,PLATE.
What parts can replace RMLHA73-4-02?
There is 1 known substitute for RMLHA73-4-02: 10110246. Substitute compatibility should be verified for your specific system.
What is the NSN for RMLHA73-4-02?
RMLHA73-4-02 is cataloged in the U.S. Government catalog under NSN 5310-01-266-5381. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.