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AJ843-2 ✓ 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: 0.031 INCHES NOMINAL IN, hole_diameter: 0.250 INCHES NOMINAL IN, overall_diameter: 0.500 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 5310-00-489-6213, 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
AJ843-2
NSN: 5310-00-489-6213
FSC: 5310
CAGE: K6255 — REGULATEURS EUROPA LIMITED DIV REGULATEURS EUROPA (GBR)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
thickness0.031 INCHES NOMINAL IN
hole_diameter0.250 INCHES NOMINAL IN
overall_diameter0.500 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationGS,FSCM 83616 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-489-6213
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AJ843-2 · 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
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: GS,FSCM 83616 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 0.031 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONGS,FSCM 83616 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.250 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.031 INCHES NOMINAL IN
OVERALL DIAMETER0.500 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
W14Interchangeable
interchangeable cross-reference
interchangeable
AN1-4-7601-71PC105Interchangeable
interchangeable cross-reference
interchangeable
CM5-7601-295PC105Interchangeable
interchangeable cross-reference
interchangeable
34890MPC25Interchangeable
interchangeable cross-reference
interchangeable
MILB385Interchangeable
interchangeable cross-reference
interchangeable
9B143Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AJ843-2?
AJ843-2 is a WASHER,FLAT.
What parts can replace AJ843-2?
There are 19 known substitutes for AJ843-2: W14, AN1-4-7601-71PC105, CM5-7601-295PC105 and 16 more. Substitute compatibility should be verified for your specific system.
Is AJ843-2 still available?
AJ843-2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026