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40D87 — Technical Data Sheet

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— · 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 CONTACT SET,DISTRIBUTOR is a the manufacturer industrial component. Key specifications include contact_type: BUTTON OR SPRING LEAF, special_features: SUPPORTS GRUMMAN A10 AIRCRAFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-074-4882, 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
40D87
NSN: 5310-00-074-4882
FSC: 5310
CAGE: 29964 — ALLIED DEVICES CORP DBA ABSOLUTE PRECISION CO (USA)
SPECIFICATIONS
contact_typeBUTTON OR SPRING LEAF
contact_quantity2
special_featuresSUPPORTS GRUMMAN A10 AIRCRAFT
NSN5310-00-074-4882
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 40D87 · 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
•
SMALL END DIAMETER: 0.375 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
THREAD QUANTITY PER INCH: 32
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720 COMP 303S MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD CLASS: 3B
•
KNURL WIDTH: 0.187 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SMALL END DIAMETER0.375 INCHES NOMINAL IN
THREAD SERIESUNF
NOMINAL THREAD SIZE0.190 INCHES IN
THREAD QUANTITY PER INCH32
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 COMP 303S MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD CLASS3B
KNURL WIDTH0.187 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
NUT THICKNESS0.688 INCHES NOMINAL IN
NUT STYLEKNURLED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
U15D28Interchangeable
interchangeable cross-reference
interchangeable
7802MInterchangeable
interchangeable cross-reference
interchangeable
10-33B-43 SYSTEM,OV HEAT/CABINE-Interchangeable
interchangeable cross-reference
interchangeable
4087Interchangeable
interchangeable cross-reference
interchangeable
82087Interchangeable
interchangeable cross-reference
interchangeable
24087Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40D87?
40D87 is a CONTACT SET,DISTRIBUTOR.
What parts can replace 40D87?
There are 22 known substitutes for 40D87: U15D28, 7802M, 10-33B-43 SYSTEM,OV HEAT/CABINE- and 19 more. Substitute compatibility should be verified for your specific system.
Is 40D87 still available?
40D87 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: September 2026