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12347656-16 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12347656-16: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OR STEEL COMP 416 OVERALL, thickness: 0.192 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN, hole_diameter: 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM, overall_diameter: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-372-0283, 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
12347656-16
NSN: 5310-01-372-0283
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 410 OR STEEL COMP 416 OVERALL
thickness0.192 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN
hole_diameter0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
overall_diameter1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-766 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-STD-171,5.41 MIL STD SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-372-0283
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12347656-16 · 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: MIL-STD-171,5.41 MIL STD SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 410 OR STEEL COMP 416 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171,5.41 MIL STD SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 410 OR STEEL COMP 416 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.396 INCHES MINIMUM AND 0.416 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12347656-16?
12347656-16 is a WASHER,FLAT.
What is the NSN for 12347656-16?
12347656-16 is cataloged in the U.S. Government catalog under NSN 5310-01-372-0283. This indicates validated use in U.S. government and defense supply chains.
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