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1229D758 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1229D758: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.250 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN, heat_treatment: AS FABRICATED, outside_diameter: 2.375 INCHES NOMINAL IN, special_features: WASHER BENT AT 30 DEG ANGLE STARTING AT A 1 5/8 IN.DIA IN, features_provided: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-339-1379, 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
1229D758
NSN: 5310-00-339-1379
FSC: 5310 — Nuts and Washers
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.250 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN
heat_treatmentAS FABRICATED
outside_diameter2.375 INCHES NOMINAL IN
special_featuresWASHER BENT AT 30 DEG ANGLE STARTING AT A 1 5/8 IN.DIA IN
features_providedCASEHARDENED
material_thickness0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
internal_key_quantity1
internal_straight_key_width0.281 INCHES NOMINAL IN
material_document_and_classificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-339-1379
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1229D758 · 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 STRAIGHT KEY WIDTH: 0.281 INCHES NOMINAL IN
•
HEAT TREATMENT: AS FABRICATED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.375 INCHES NOMINAL IN
•
FEATURES PROVIDED: CASEHARDENED
•
MATERIAL THICKNESS: 0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.281 INCHES NOMINAL IN
HEAT TREATMENTAS FABRICATED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.375 INCHES NOMINAL IN
FEATURES PROVIDEDCASEHARDENED
MATERIAL THICKNESS0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
SPECIAL FEATURESWASHER BENT AT 30 DEG ANGLE STARTING AT A 1 5/8 IN.DIA IN
MATERIALSTEEL OVERALL
INTERNAL KEY QUANTITY1
HOLE DIAMETER1.250 INCHES MINIMUM AND 1.265 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1229D758?
1229D758 is a WASHER,KEY.
What is the NSN for 1229D758?
1229D758 is cataloged in the U.S. Government catalog under NSN 5310-00-339-1379. This indicates validated use in U.S. government and defense supply chains.
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