PartsTable
Technical Data Sheet
MS51412-1 ✓ 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: STEEL OVERALL, thickness: 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, hole_diameter: 0.151 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN, overall_diameter: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, surface_treatment: ZINC AND CHROMATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-303-4701, 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
MS51412-1
NSN: 5310-01-303-4701
FSC: 5310
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
hole_diameter0.151 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
overall_diameter0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
surface_treatmentZINC AND CHROMATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE AND A CLASS
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OR MIL-C-81562,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-303-4701
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS51412-1 · 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
HOLE DIAMETER: 0.151 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLE: ROUND
MATERIAL: STEEL OVERALL
SURFACE TREATMENT: ZINC AND CHROMATE OVERALL
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
THICKNESS: 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.151 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND A CLASS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OR MIL-C-81562,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
103337Interchangeable
interchangeable cross-reference
interchangeable
A34-91Interchangeable
interchangeable cross-reference
interchangeable
34-91Interchangeable
interchangeable cross-reference
interchangeable
4197515-004Interchangeable
interchangeable cross-reference
interchangeable
FF-W-92Interchangeable
interchangeable cross-reference
interchangeable
MS27183-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51412-1?
MS51412-1 is a WASHER,FLAT.
What parts can replace MS51412-1?
There are 25 known substitutes for MS51412-1: 103337, A34-91, 34-91 and 22 more. Substitute compatibility should be verified for your specific system.
Is MS51412-1 still available?
MS51412-1 is currently cancelled.
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