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2640-68209 — CONNECTING LINK,RIGID

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2640-68209: CONNECTING LINK,RIGID.

The CONNECTING LINK,RIGID is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, special_features: MAKE FROM 37-37-7826,, QQ-C-00465, 1.5000 ROD ROUND, end_item_identification: LOS ANGELES CLASS SSN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-356-7215, 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
2640-68209
NSN: 5310-01-356-7215
NIINs: 013567215, 014750421, 014750787, 014754040, 014756622, 014776788, 014776791, 014779447, 015087808
FSC: 5310 — Nuts and Washers
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialCOPPER ALLOY
special_featuresMAKE FROM 37-37-7826,, QQ-C-00465, 1.5000 ROD ROUND
end_item_identificationLOS ANGELES CLASS SSN
NSN5310-01-356-7215
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2640-68209 · 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
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
NUT DIAMETER: 0.796 INCHES NOMINAL IN
•
NUT THICKNESS: 0.380 INCHES NOMINAL IN
•
DRIVE POINT DIAMETER: 0.094 INCHES NOMINAL IN
•
DRIVE POINT QUANTITY: 2
•
NUT STYLE: ROUND
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
NUT DIAMETER0.796 INCHES NOMINAL IN
NUT THICKNESS0.380 INCHES NOMINAL IN
DRIVE POINT DIAMETER0.094 INCHES NOMINAL IN
DRIVE POINT QUANTITY2
NUT STYLEROUND
THREAD CLASS2B
THREAD QUANTITY PER INCH16
SUBSTITUTES & CROSS-REFERENCES 4
2640-682-09 ITEM 20-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
37-21-7814Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
845-6655309 ITEM 20-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
845-6655309Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2640-68209?
2640-68209 is a CONNECTING LINK,RIGID.
What parts can replace 2640-68209?
There are 4 known substitutes for 2640-68209: 2640-682-09 ITEM 20-1, 37-21-7814, 845-6655309 ITEM 20-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2640-68209?
2640-68209 is cataloged in the U.S. Government catalog under NSN 5310-01-356-7215. This indicates validated use in U.S. government and defense supply chains.
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