PartsTable
Technical Data Sheet
122728 ✓ 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 (FLIS) 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 (FLIS)
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 19
280-1145P130Interchangeable
interchangeable cross-reference
interchangeable
400-612-101Interchangeable
interchangeable cross-reference
interchangeable
RCR20G393JInterchangeable
interchangeable cross-reference
interchangeable
0XWELD65Interchangeable
interchangeable cross-reference
interchangeable
P-H CO-87Interchangeable
interchangeable cross-reference
interchangeable
A608Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
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 19 known substitutes for 122728: 280-1145P130, 400-612-101, RCR20G393J and 16 more. Substitute compatibility should be verified for your specific system.
Is 122728 still available?
122728 is currently cancelled.
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