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1829N638Z — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1829N638Z: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1045 OR STEEL COMP 321 OVERALL, thickness: 0.125 INCHES NOMINAL IN, hole_diameter: 0.906 INCHES NOMINAL IN, heat_treatment: QUENCHED AND TEMPERED, overall_diameter: 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-481-9485, 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
1829N638Z
NSN: 5310-00-481-9485
FSC: 5310 — Nuts and Washers
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1045 OR STEEL COMP 321 OVERALL
thickness0.125 INCHES NOMINAL IN
hole_diameter0.906 INCHES NOMINAL IN
heat_treatmentQUENCHED AND TEMPERED
overall_diameter1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE ASSN STD ALL MATERIAL RESPONSES OR QQ-S-700 FED SPEC 1ST MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-Z-325,TYPE2,CLASS3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-481-9485
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1829N638Z · 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-Z-325,TYPE2,CLASS3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
HEAT TREATMENT: QUENCHED AND TEMPERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OR QQ-S-700 FED SPEC 1ST MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: ZINC OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1045 OR STEEL COMP 321 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TYPE2,CLASS3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
HEAT TREATMENTQUENCHED AND TEMPERED
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OR QQ-S-700 FED SPEC 1ST MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTZINC OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1045 OR STEEL COMP 321 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.906 INCHES NOMINAL 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1829N638Z?
1829N638Z is a WASHER,FLAT.
What is the NSN for 1829N638Z?
1829N638Z is cataloged in the U.S. Government catalog under NSN 5310-00-481-9485. This indicates validated use in U.S. government and defense supply chains.
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