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B2649 — CABLE ASSEMBLY,SPECIAL PURPOSE,E

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B2649: CABLE ASSEMBLY,SPECIAL PURPOSE,E.

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, nut_style: ROUND, nut_diameter: 0.500 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-174-4580, 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
B2649
NSN: 5310-01-174-4580
NIINs: 011744580, 015398893
FSC: 5310 — Nuts and Washers
CAGE: 15230 — NSGDATACOM INC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
nut_styleROUND
nut_diameter0.500 INCHES NOMINAL IN
thread_class2B
nut_thickness0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
nominal_thread_size0.112 INCHES IN
end_item_identificationABMS DISPLAY MODULE; SEAWOLF CLASS SSN
thread_quantity_per_inch40
part_name_assigned_by_controlling_agencyCABLE ASSY, 24 VDC PWR VDC
NSN5310-01-174-4580
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B2649 · 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: 0.112 INCHES IN
•
NUT DIAMETER: 0.500 INCHES NOMINAL IN
•
NUT THICKNESS: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
NUT STYLE: ROUND
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 40
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.112 INCHES IN
NUT DIAMETER0.500 INCHES NOMINAL IN
NUT THICKNESS0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NUT STYLEROUND
THREAD CLASS2B
THREAD QUANTITY PER INCH40
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
100-0000-336Reference 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 B2649?
B2649 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace B2649?
There is 1 known substitute for B2649: 100-0000-336. Substitute compatibility should be verified for your specific system.
What is the NSN for B2649?
B2649 is cataloged in the U.S. Government catalog under NSN 5310-01-174-4580. This indicates validated use in U.S. government and defense supply chains.
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