PartsTable
Technical Data Sheet
B-357-1 ✓ Verified by PartsTable
· 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 TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, thickness: 0.062 INCHES NOMINAL IN, body_length: 0.187 INCHES MAXIMUM IN, hole_diameter: 0.118 INCHES NOMINAL IN, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE SECONDARY, turn_quantity: 67 SINGLE COMPONENT SINGLE SECONDARY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-095-4015, 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
B-357-1
NSN: 5310-01-095-4015
FSC: 5310
CAGE: 30377 — SMITHS AEROSPACE, INC., ELECTRONIC SYSTEMS-GRAND RAPIDS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
thickness0.062 INCHES NOMINAL IN
body_length0.187 INCHES MAXIMUM IN
hole_diameter0.118 INCHES NOMINAL IN
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
turn_quantity67 SINGLE COMPONENT SINGLE SECONDARY
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
mounting_methodTERMINAL SINGLE GROUP
overall_diameter0.188 INCHES NOMINAL IN
features_providedTINNED WIRE LEADS AND COLOR CODED TERMINAL
surface_treatmentOXIDE FILM OVERALL
NSN5310-01-095-4015
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B-357-1 · 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
OVERALL DIAMETER: 0.188 INCHES NOMINAL IN
HOLE DIAMETER: 0.118 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA: 30377-357-K MANUFACTURERS STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT: OXIDE FILM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/9,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.188 INCHES NOMINAL IN
HOLE DIAMETER0.118 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA30377-357-K MANUFACTURERS STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/9,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 6061 OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.062 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
35-71Interchangeable
interchangeable cross-reference
interchangeable
125252Interchangeable
interchangeable cross-reference
interchangeable
H-43375Interchangeable
interchangeable cross-reference
interchangeable
WC132Interchangeable
interchangeable cross-reference
interchangeable
R348Interchangeable
interchangeable cross-reference
interchangeable
6140042-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-357-1?
B-357-1 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace B-357-1?
There are 14 known substitutes for B-357-1: 35-71, 125252, H-43375 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-357-1?
B-357-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-095-4015. This indicates validated use in U.S. government and defense supply chains.
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