PartsTable
Technical Data Sheet
MU54 ✓ 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 WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: WOOL OR COTTON OR CELLULOSE OR GLASS OVERALL, thickness: 0.031 INCHES NOMINAL IN, hole_diameter: 0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN, hardness_rating: 50.0 ROCKWELL R NOMINAL, overall_diameter: 1.250 INCHES NOMINAL IN, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-282-6112, 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
MU54
NSN: 5310-00-282-6112
FSC: 5310
CAGE: 80072 — H20 TANK INC U S MOTORS DIV (USA)
SPECIFICATIONS
materialWOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
thickness0.031 INCHES NOMINAL IN
hole_diameter0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
hardness_rating50.0 ROCKWELL R NOMINAL
overall_diameter1.250 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
minimum_tensile_strength6000 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-282-6112
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MU54 · 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
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
MATERIAL: WOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
PERIPHERAL SHAPE STYLE: ROUND
CENTER HOLE SHAPE STYLE: ROUND
HOLE DIAMETER: 0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
OVERALL DIAMETER: 1.250 INCHES NOMINAL IN
HARDNESS RATING: 50.0 ROCKWELL R NOMINAL
MINIMUM TENSILE STRENGTH: 6000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALWOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
OVERALL DIAMETER1.250 INCHES NOMINAL IN
HARDNESS RATING50.0 ROCKWELL R NOMINAL
MINIMUM TENSILE STRENGTH6000 POUNDS PER SQUARE INCH LBS
THICKNESS0.031 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
641446Interchangeable
interchangeable cross-reference
interchangeable
5030Interchangeable
interchangeable cross-reference
interchangeable
1699Interchangeable
interchangeable cross-reference
interchangeable
109455Interchangeable
interchangeable cross-reference
interchangeable
46-031097-05Interchangeable
interchangeable cross-reference
interchangeable
GPW11036BInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MU54?
MU54 is a WASHER,FLAT.
What parts can replace MU54?
There are 8 known substitutes for MU54: 641446, 5030, 1699 and 5 more. Substitute compatibility should be verified for your specific system.
Is MU54 still available?
MU54 is currently cancelled.
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