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MS3445E-37B — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MS3445E-37B: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, hole_diameter: 1.357 INCHES MINIMUM AND 1.367 INCHES MAXIMUM IN, overall_diameter: 1.794 INCHES MINIMUM AND 1.816 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-462-8845, 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
MS3445E-37B
NSN: 5310-01-462-8845
FSC: 5310 — Nuts and Washers
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
hole_diameter1.357 INCHES MINIMUM AND 1.367 INCHES MAXIMUM IN
overall_diameter1.794 INCHES MINIMUM AND 1.816 INCHES MAXIMUM IN
special_featuresNOTICE OF INACTIVATION FOR NEW DESIGN, 25 SEP 96, MS3445(AS) IS INACTIVE FOR NEW DESIGN AND IS NO LONGER USED, EXCEPT FOR REPLACEMENT PURPOSES
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-462-8845
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS3445E-37B · 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
•
OVERALL DIAMETER: 1.794 INCHES MINIMUM AND 1.816 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 1.357 INCHES MINIMUM AND 1.367 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.794 INCHES MINIMUM AND 1.816 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESNOTICE OF INACTIVATION FOR NEW DESIGN, 25 SEP 96, MS3445(AS) IS INACTIVE FOR NEW DESIGN AND IS NO LONGER USED, EXCEPT FOR REPLACEMENT PURPOSES
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.357 INCHES MINIMUM AND 1.367 INCHES MAXIMUM IN
THICKNESS0.040 INCHES MINIMUM AND 0.060 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 2
SAE-AS81703Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
MIL-C-81703Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS3445E-37B?
MS3445E-37B is a WASHER,FLAT.
What parts can replace MS3445E-37B?
There are 2 known substitutes for MS3445E-37B: SAE-AS81703, MIL-C-81703. Substitute compatibility should be verified for your specific system.
What is the NSN for MS3445E-37B?
MS3445E-37B is cataloged in the U.S. Government catalog under NSN 5310-01-462-8845. This indicates validated use in U.S. government and defense supply chains.
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