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LL-HX3-Q12489 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

LL-HX3-Q12489: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, thickness: 0.060 INCHES NOMINAL IN, hole_diameter: 1.190 INCHES NOMINAL IN, overall_diameter: 1.750 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-465-8981, 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
LL-HX3-Q12489
NSN: 5310-01-465-8981
FSC: 5310 — Nuts and Washers
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
thickness0.060 INCHES NOMINAL IN
hole_diameter1.190 INCHES NOMINAL IN
overall_diameter1.750 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
surface_treatmentPASSIVATE OVERALL
special_test_featuresSPECIAL QUALITY CONTROL TESTING
peripheral_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
criticality_code_justificationFEAT
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-465-8981
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LL-HX3-Q12489 · 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: 1.750 INCHES NOMINAL IN
•
SPECIAL TEST FEATURES: SPECIAL QUALITY CONTROL TESTING
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER1.750 INCHES NOMINAL IN
SPECIAL TEST FEATURESSPECIAL QUALITY CONTROL TESTING
CRITICALITY CODE JUSTIFICATIONFEAT
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
TEST DATA DOCUMENT81349-MIL-P-23199 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 304 OVERALL
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
HAZMAT per U.S. Government catalogAcquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LL-HX3-Q12489?
LL-HX3-Q12489 is a WASHER,FLAT.
What is the NSN for LL-HX3-Q12489?
LL-HX3-Q12489 is cataloged in the U.S. Government catalog under NSN 5310-01-465-8981. This indicates validated use in U.S. government and defense supply chains.
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