PartsTable
Technical Data Sheet
ML228 ✓ 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 SWITCH BARRIER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 462 OR COPPER ALLOY 464 OVERALL, nut_style: HEXAGON, nut_height: 0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-855-1102, 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
ML228
NSN: 5310-00-855-1102
FSC: 5310
CAGE: 15235 — CROUSE-HINDS CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY 462 OR COPPER ALLOY 464 OVERALL
nut_styleHEXAGON
nut_height0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentBLACK OXIDE OVERALL
width_across_flats0.423 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
nominal_thread_size0.250 INCHES IN
bearing_surface_typeCHAMFERED
end_item_identificationAN/FPS-20
thread_quantity_per_inch20
NSN5310-00-855-1102
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ML228 · 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 CLASS: 2B
BEARING SURFACE TYPE: CHAMFERED
NOMINAL THREAD SIZE: 0.250 INCHES IN
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH: 20
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-637,ALLOY 462 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-637,ALLOY 464 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIAL: COPPER ALLOY 462 OR COPPER ALLOY 464 OVERALL
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 13 STYLE
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH20
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637,ALLOY 462 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-637,ALLOY 464 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 462 OR COPPER ALLOY 464 OVERALL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 13 STYLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTBLACK OXIDE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
8045Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636 TY1CL2ST1Interchangeable
interchangeable cross-reference
interchangeable
40-4-5Interchangeable
interchangeable cross-reference
interchangeable
484-4Interchangeable
interchangeable cross-reference
interchangeable
R883B198Interchangeable
interchangeable cross-reference
interchangeable
S276-1684P1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy ML228?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is ML228?
ML228 is a SWITCH BARRIER.
What parts can replace ML228?
There are 25 known substitutes for ML228: 8045, GGG-W-636 TY1CL2ST1, 40-4-5 and 22 more. Substitute compatibility should be verified for your specific system.
Is ML228 still available?
ML228 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — ML228