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DA39 ✓ 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 phase: SINGLE, material: STEEL CASE, thickness: 0.020 INCHES NOMINAL IN, power_source: EXTERNAL, hole_diameter: 0.968 INCHES NOMINAL IN, mounting_method: FLANGE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-220-6565, 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
DA39
NSN: 5310-00-220-6565
FSC: 5310
CAGE: 63734 — KAITLIN CORP (USA)
SPECIFICATIONS
phaseSINGLE
materialSTEEL CASE
thickness0.020 INCHES NOMINAL IN
power_sourceEXTERNAL
hole_diameter0.968 INCHES NOMINAL IN
mounting_methodFLANGE
overall_diameter1.568 INCHES MINIMUM AND 1.573 INCHES MAXIMUM IN
features_providedAUTOMATIC SHUTOFF
indication_methodTRANSMITTING ECCENTRIC SCALE
surface_treatmentENAMEL CASE
frequency_in_hertz60.0
operating_temp_range+100.0 TO 200.0 FAHRENHEIT DEGF
NSN5310-00-220-6565
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DA39 · 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: 1.568 INCHES MINIMUM AND 1.573 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.968 INCHES NOMINAL IN
•
THICKNESS: 0.020 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER1.568 INCHES MINIMUM AND 1.573 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.968 INCHES NOMINAL IN
THICKNESS0.020 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
A1622Interchangeable
interchangeable cross-reference
interchangeable
5329-1Interchangeable
interchangeable cross-reference
interchangeable
BP12116Interchangeable
interchangeable cross-reference
interchangeable
183344Interchangeable
interchangeable cross-reference
interchangeable
B94.19 TABLE 19Interchangeable
interchangeable cross-reference
interchangeable
S275-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DA39?
DA39 is a WASHER,FLAT.
What parts can replace DA39?
There are 17 known substitutes for DA39: A1622, 5329-1, BP12116 and 14 more. Substitute compatibility should be verified for your specific system.
Is DA39 still available?
DA39 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