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Technical Data Sheet

122728 — Technical Data Sheet

✓ Verified by PartsTable
Hama · 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

- Gold-plated plug with low contact resistance for secure signal transmission<br>- Asymmetric cable for better freedom of movement<br>- Flexible earband for secure fitting, e.g. during sport. Key specifications include material: ALUMINUM ALLOY OR STEEL OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 0.398 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND.

This part is cataloged in the Federal Logistics Information System under NSN 5310-00-010-2645, 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
122728
NSN: 5310-00-010-2645
FSC: 5310
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OR STEEL OVERALL
nut_styleSLOTTED, HEXAGON
nut_height0.398 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
nominal_thread_size0.375 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch24
nondefinitive_spec/std_data4 TYPE AND 17 STYLE
NSN5310-00-010-2645
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 122728 · Hama ⚠ 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 QUANTITY PER INCH: 24
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL OVERALL
•
NUT HEIGHT: 0.328 INCHES NOMINAL IN
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
THREAD QUANTITY PER INCH24
NOMINAL THREAD SIZE0.375 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
NUT HEIGHT0.328 INCHES NOMINAL IN
THREAD CLASS2B
WIDTH ACROSS FLATS0.562 INCHES NOMINAL IN
NUT STYLESLOTTED, HEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
280-1145P130InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
400-612-101InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
RCR20G393JInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
0XWELD65InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P-H CO-87InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A608InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 122728?
122728 is a NUT,PLAIN,SLOTTED,HEXAGON manufactured by Hama.
What parts can replace 122728?
There are 18 known substitutes for 122728: 280-1145P130, 400-612-101, RCR20G393J and 15 more. Substitute compatibility should be verified for your specific system.
Is 122728 still available?
122728 is currently cancelled.
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