PartsTable
Technical Data Sheet
HL8280-1 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, thickness: 0.022 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN, hole_diameter: 0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, overall_diameter: 0.625 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-023-8927, 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
HL8280-1
NSN: 5310-01-023-8927
FSC: 5310
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
thickness0.022 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
hole_diameter0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
overall_diameter0.625 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classification13H FSCM 35510 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-023-8927
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HL8280-1 · 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
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: 13H FSCM 35510 MFR REF SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL SHAPE STYLE: ROUND
HOLE DIAMETER: 0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
THICKNESS: 0.022 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
OVERALL DIAMETER: 0.625 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION13H FSCM 35510 MFR REF SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
THICKNESS0.022 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
OVERALL DIAMETER0.625 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
82378SDInterchangeable
interchangeable cross-reference
interchangeable
52066Interchangeable
interchangeable cross-reference
interchangeable
C11428Interchangeable
interchangeable cross-reference
interchangeable
77-4294-6Interchangeable
interchangeable cross-reference
interchangeable
29371Interchangeable
interchangeable cross-reference
interchangeable
8677Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HL8280-1?
HL8280-1 is a WASHER,FLAT.
What parts can replace HL8280-1?
There are 7 known substitutes for HL8280-1: 82378SD, 52066, C11428 and 4 more. Substitute compatibility should be verified for your specific system.
Is HL8280-1 still available?
HL8280-1 is currently cancelled.
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