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JD845 ✓ 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: STEEL OVERALL, thickness: 0.083 INCHES NOMINAL IN, hole_diameter: 0.437 INCHES NOMINAL IN, overall_diameter: 1.000 INCHES NOMINAL IN, surface_treatment: CHROMIUM OVERALL, peripheral_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-012-0388, 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
JD845
NSN: 5310-00-012-0388
FSC: 5310
CAGE: 29215 — JENNY PRODUCTS, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.083 INCHES NOMINAL IN
hole_diameter0.437 INCHES NOMINAL IN
overall_diameter1.000 INCHES NOMINAL IN
surface_treatmentCHROMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE AND A CLASS
NSN5310-00-012-0388
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: JD845 · 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: STEEL OVERALL
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE AND A CLASS
•
HOLE DIAMETER: 0.437 INCHES NOMINAL IN
•
THICKNESS: 0.083 INCHES NOMINAL IN
•
OVERALL DIAMETER: 1.000 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL OVERALL
SURFACE TREATMENTCHROMIUM OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND A CLASS
HOLE DIAMETER0.437 INCHES NOMINAL IN
THICKNESS0.083 INCHES NOMINAL IN
OVERALL DIAMETER1.000 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
7801Interchangeable
interchangeable cross-reference
interchangeable
62.90.114Interchangeable
interchangeable cross-reference
interchangeable
120388Interchangeable
interchangeable cross-reference
interchangeable
DX554Interchangeable
Same NIIN cross-reference
interchangeable
34707S8Interchangeable
Same NIIN cross-reference
interchangeable
39707S7Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JD845?
JD845 is a WASHER,FLAT.
What parts can replace JD845?
There are 10 known substitutes for JD845: 7801, 62.90.114, 120388 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JD845?
JD845 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-012-0388. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026