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Technical Data Sheet
PartsTable / COMPONENT / M-434
M-434 ✓ 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: COPPER ALLOY SHELL, body_width: 4.312 INCHES NOMINAL IN, body_height: 3.687 INCHES NOMINAL IN, body_length: 0.190 INCHES MAXIMUM IN, hole_diameter: 3.177 INCHES MINIMUM AND 3.207 INCHES MAXIMUM IN, rating_method: WINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE SECONDARY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-186-0975, 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
M-434
NSN: 5310-00-186-0975
FSC: 5310
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY SHELL
body_width4.312 INCHES NOMINAL IN
body_height3.687 INCHES NOMINAL IN
body_length0.190 INCHES MAXIMUM IN
hole_diameter3.177 INCHES MINIMUM AND 3.207 INCHES MAXIMUM IN
rating_methodWINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE SECONDARY
terminal_typeSCREW
turn_quantity4 SINGLE COMPONENT SINGLE PRIMARY
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
overall_height1.312 INCHES NOMINAL IN
hardness_rating50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
NSN5310-00-186-0975
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M-434 · 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 PREBENT KEY WIDTH: 0.313 INCHES MINIMUM AND 0.353 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 19
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
OVERALL DISTANCE INCLUDING KEYS: 4.375 INCHES MAXIMUM IN
•
HOLE DIAMETER: 3.177 INCHES MINIMUM AND 3.207 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: KEY
•
EXTERNAL PREBENT KEY WIDTH: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
•
INTERNAL PREBENT KEY LENGTH: 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL PREBENT KEY WIDTH0.313 INCHES MINIMUM AND 0.353 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY19
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
OVERALL DISTANCE INCLUDING KEYS4.375 INCHES MAXIMUM IN
HOLE DIAMETER3.177 INCHES MINIMUM AND 3.207 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
EXTERNAL PREBENT KEY WIDTH0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
INTERNAL PREBENT KEY LENGTH0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
HARDNESS RATING50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
MATERIALSTEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
15531Interchangeable
interchangeable cross-reference
interchangeable
BM11623-05Interchangeable
interchangeable cross-reference
interchangeable
236-1017P8Interchangeable
interchangeable cross-reference
interchangeable
711073Interchangeable
interchangeable cross-reference
interchangeable
A8844076-4Interchangeable
interchangeable cross-reference
interchangeable
AERO HFAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M-434?
M-434 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace M-434?
There are 31 known substitutes for M-434: 15531, BM11623-05, 236-1017P8 and 28 more. Substitute compatibility should be verified for your specific system.
Is M-434 still available?
M-434 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026