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LL-HX5-6489 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

LL-HX5-6489: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, thickness: 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN, hole_diameter: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN, overall_diameter: 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN, special_test_features: SPECIAL QUALITY CONTROL TESTING, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-276-1658, 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-HX5-6489
NSN: 5310-01-276-1658
FSC: 5310 — Nuts and Washers
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
thickness0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
hole_diameter0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
overall_diameter0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
special_test_featuresSPECIAL QUALITY CONTROL TESTING
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
departure_from_cited_documentAS MODIFIED BY MATERIAL
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencyWASHER,FLAT
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS.
NSN5310-01-276-1658
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LL-HX5-6489 · 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: 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
•
SPECIAL TEST FEATURES: SPECIAL QUALITY CONTROL TESTING
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY MATERIAL
•
PERIPHERAL SHAPE STYLE: ROUND
•
TEST DATA DOCUMENT: 81349-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.).
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
SPECIAL TEST FEATURESSPECIAL QUALITY CONTROL TESTING
CRITICALITY CODE JUSTIFICATIONZZZY
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY MATERIAL
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,FLAT
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.).
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
CENTER HOLE SHAPE STYLEROUND
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
KHG122JSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
TW-516-10-045-TSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LL-HX5-6489?
LL-HX5-6489 is a WASHER,FLAT.
What parts can replace LL-HX5-6489?
There are 2 known substitutes for LL-HX5-6489: KHG122J, TW-516-10-045-T. Substitute compatibility should be verified for your specific system.
What is the NSN for LL-HX5-6489?
LL-HX5-6489 is cataloged in the U.S. Government catalog under NSN 5310-01-276-1658. This indicates validated use in U.S. government and defense supply chains.
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