PartsTable
Technical Data Sheet
MS19070-031 ✓ 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,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1035 OVERALL, hole_diameter: 0.679 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN, outside_diameter: 0.938 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN, style_designator: KEY, surface_treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL, material_thickness: 0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-186-0962, 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
MS19070-031
NSN: 5310-00-186-0962
FSC: 5310
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1035 OVERALL
hole_diameter0.679 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN
outside_diameter0.938 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
style_designatorKEY
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
material_thickness0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
external_key_quantity11
external_prebent_key_width0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
internal_prebent_key_width0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
internal_prebent_key_length0.062 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
overall_distance_including_keys1.328 INCHES MAXIMUM IN
material_document_and_classificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-186-0962
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS19070-031 · 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
INTERNAL PREBENT KEY WIDTH: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
INTERNAL PREBENT KEY LENGTH: 0.063 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
STYLE DESIGNATOR: KEY
MATERIAL: STEEL COMP 1115 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OVERALL
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY INTERNAL PREBENT KEY LENGTH AND INTERNAL PREBENT KEY WIDTH
OVERALL DISTANCE INCLUDING KEYS: 1.328 INCHES MAXIMUM IN
HARDNESS RATING: 50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL PREBENT KEY WIDTH0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
INTERNAL PREBENT KEY LENGTH0.063 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
MATERIALSTEEL COMP 1115 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OVERALL
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY INTERNAL PREBENT KEY LENGTH AND INTERNAL PREBENT KEY WIDTH
OVERALL DISTANCE INCLUDING KEYS1.328 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMAIN FEED PUMPS,AN/SRN-25(V) NAVIGATION RADIO SET,MK 28, 5-INCH 38 CALIBER TWIN GUN MOUNT,INTEGRATED TARGET CONTROL SYSTEM (ITCS), AN-TSW/10,TELETYPE, MODEL 28, FIRE PUMPS, TACTICAL AIRCREW COMBAT TRAINING SYS (TACTS),STREAM (STD. TENSIONED REPLENISHMENT AT SEA METHOD),MK 38 GUNFIRE CONTROL SYSTEM,ELEVATORS, AIRCRAFT
HARDNESS RATING50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
EXTERNAL PREBENT KEY WIDTH0.108 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
W0-3Interchangeable
interchangeable cross-reference
interchangeable
LA656-2Interchangeable
interchangeable cross-reference
interchangeable
382176Interchangeable
interchangeable cross-reference
interchangeable
1452Interchangeable
interchangeable cross-reference
interchangeable
301Interchangeable
interchangeable cross-reference
interchangeable
1062Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS19070-031?
MS19070-031 is a WASHER,KEY.
What parts can replace MS19070-031?
There are 34 known substitutes for MS19070-031: W0-3, LA656-2, 382176 and 31 more. Substitute compatibility should be verified for your specific system.
Is MS19070-031 still available?
MS19070-031 is currently cancelled.
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