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MS16212-15 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MS16212-15: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL, thickness: 0.108 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN, hole_diameter: 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN, overall_diameter: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-491-5895, 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
MS16212-15
NSN: 5310-00-491-5895
FSC: 5310 — Nuts and Washers
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL
thickness0.108 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
hole_diameter0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
overall_diameter1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
minimum_tensile_strength50000 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE AND B CLASS
material_document_and_classificationQQ-S-766 FINISH NO. 2 FED SPEC 1ST MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-491-5895
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS16212-15 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766 FINISH NO. 2 FED SPEC 1ST MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE AND B CLASS
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MINIMUM TENSILE STRENGTH: 50000 POUNDS PER SQUARE INCH LBS
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FINISH NO. 2 FED SPEC 1ST MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND B CLASS
SURFACE TREATMENTPASSIVATE OVERALL
MINIMUM TENSILE STRENGTH50000 POUNDS PER SQUARE INCH LBS
PERIPHERAL SHAPE STYLEROUND
TEST DATA DOCUMENT81349-MIL-I-17214 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
FFW92Reference document
Same NSN cross-reference
Reference document — Identification reference
80-331Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS16212-15?
MS16212-15 is a WASHER,FLAT.
What parts can replace MS16212-15?
There are 2 known substitutes for MS16212-15: FFW92, 80-331. Substitute compatibility should be verified for your specific system.
What is the NSN for MS16212-15?
MS16212-15 is cataloged in the U.S. Government catalog under NSN 5310-00-491-5895. This indicates validated use in U.S. government and defense supply chains.
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