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HL75-6DW — WASHER,CONCAVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

HL75-6DW: WASHER,CONCAVE.

The WASHER,CONCAVE is a the manufacturer industrial component. Key specifications include radius: 0.200 INCHES NOMINAL IN, material: STEEL COMP 630 OR STEEL COMP 632 OVERALL, recess_depth: 0.047 INCHES NOMINAL IN, hole_diameter: 0.255 INCHES NOMINAL IN, outside_diameter: 0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN, style_designator: CONCAVE. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-167-3679, 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
HL75-6DW
NSN: 5310-01-167-3679
FSC: 5310 — Nuts and Washers
CAGE: L4528 — LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC (CAN)
SPECIFICATIONS
radius0.200 INCHES NOMINAL IN
materialSTEEL COMP 630 OR STEEL COMP 632 OVERALL
recess_depth0.047 INCHES NOMINAL IN
hole_diameter0.255 INCHES NOMINAL IN
outside_diameter0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
style_designatorCONCAVE
surface_treatmentOXIDE FILM OVERALL
material_thickness0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
material_document_and_classificationAMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-L-8937 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-167-3679
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HL75-6DW · 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-L-8937 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
RADIUS: 0.200 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.047 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
•
SURFACE TREATMENT: OXIDE FILM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-L-8937 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
RADIUS0.200 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
RECESS DEPTH0.047 INCHES NOMINAL IN
MATERIAL THICKNESS0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
SURFACE TREATMENTOXIDE FILM OVERALL
MATERIALSTEEL COMP 630 OR STEEL COMP 632 OVERALL
HOLE DIAMETER0.255 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 1
03A084-6LReference document
Same NSN cross-reference
Reference document — Secondary reference
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 HL75-6DW?
HL75-6DW is a WASHER,CONCAVE.
What parts can replace HL75-6DW?
There is 1 known substitute for HL75-6DW: 03A084-6L. Substitute compatibility should be verified for your specific system.
What is the NSN for HL75-6DW?
HL75-6DW is cataloged in the U.S. Government catalog under NSN 5310-01-167-3679. This indicates validated use in U.S. government and defense supply chains.
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