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B55-4 — CABLE ASSEMBLY,SPECIAL PURPOSE,E

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B55-4: CABLE ASSEMBLY,SPECIAL PURPOSE,E.

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: STEEL COMP 1035 OR STEEL COMP 1040 OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 0.375 INCHES NOMINAL IN, angle_in_deg: 40.0, thread_class: 2B, nominal_width: 0.660 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-189-4428, 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
B55-4
NSN: 5310-00-189-4428
NIINs: 001894428, 012873085, 013848838, 016756355
FSC: 5310 — Nuts and Washers
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1035 OR STEEL COMP 1040 OVERALL
nut_styleSLOTTED, HEXAGON
nut_height0.375 INCHES NOMINAL IN
angle_in_deg40.0
thread_class2B
belt_quantity4
nominal_width0.660 INCHES IN
thread_seriesUNF
style_designatorPLAIN
thread_directionRIGHT-HAND
features_providedCASEHARDENED
width_across_flats0.875 INCHES NOMINAL IN
NSN5310-00-189-4428
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B55-4 · 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
•
WIDTH ACROSS FLATS: 0.875 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
FEATURES PROVIDED: CASEHARDENED
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
NUT HEIGHT: 0.375 INCHES NOMINAL IN
•
NUT STYLE: SLOTTED, HEXAGON
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.875 INCHES NOMINAL IN
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
FEATURES PROVIDEDCASEHARDENED
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
NUT HEIGHT0.375 INCHES NOMINAL IN
NUT STYLESLOTTED, HEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH20
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B55-4?
B55-4 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What is the NSN for B55-4?
B55-4 is cataloged in the U.S. Government catalog under NSN 5310-00-189-4428. This indicates validated use in U.S. government and defense supply chains.
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