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7040B — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7040B: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include width: 6.100 INCHES NOMINAL IN, height: 6.200 INCHES NOMINAL IN, length: 12.000 INCHES NOMINAL IN, contact_type: PIN, current_type: AC, frequency_rating: 60.0 HERTZ NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-862-6031, 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
7040B
NSN: 5310-00-862-6031
NIINs: 008626031, 010679285
FSC: 5310 — Nuts and Washers
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
width6.100 INCHES NOMINAL IN
height6.200 INCHES NOMINAL IN
length12.000 INCHES NOMINAL IN
contact_typePIN
current_typeAC
contact_quantity7
frequency_rating60.0 HERTZ NOMINAL
ac_voltage_rating105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM
presentation_typeDIAL AND DIGITAL DISPLAY
supplementary_featuresT.O. 33D4-6-212-41
end_item_identificationA/M37T ENGINE TEST STAND
electrical_connection_quantity1
NSN5310-00-862-6031
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7040B · 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
•
INTERNAL STRAIGHT KEY WIDTH: 0.172 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.906 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.043 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 706 OR COPPER ALLOY 715 OVERALL
•
INTERNAL KEY QUANTITY: 1
•
HOLE DIAMETER: 0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.172 INCHES NOMINAL IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.906 INCHES NOMINAL IN
MATERIAL THICKNESS0.043 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 706 OR COPPER ALLOY 715 OVERALL
INTERNAL KEY QUANTITY1
HOLE DIAMETER0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
200122K149Reference document
Same NSN cross-reference
Reference document — Secondary reference
200122KPC149Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7040B?
7040B is a WASHER,KEY.
What parts can replace 7040B?
There are 2 known substitutes for 7040B: 200122K149, 200122KPC149. Substitute compatibility should be verified for your specific system.
What is the NSN for 7040B?
7040B is cataloged in the U.S. Government catalog under NSN 5310-00-862-6031. This indicates validated use in U.S. government and defense supply chains.
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