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Technical Data Sheet
PartsTable / MRO / 122-002
122-002 ✓ Verified by PartsTable
Hama · MRO · MRO_GENERAL
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

- Amplifies and enhances the sound of MP3 players and smartphones<br>- Active sound adjustment due to 3 different sound modes: rock ’n’ roll, concert, 3D sound<br>- Battery-operated for complete mobility: the battery can be charged using a USB cable<br>- Volume control for individual volume adjustment<br>- Standby function for automatic and energy-saving switch on/shut off of the headphone amplifier<br>- Belt clip for practical storage<br>- Allows high-quality headphones to be used to their full potential, also in combination with low-powered audio sources like small MP3 players or smartphones<br>- Ideal for headphones with an impedance between 16 and 32 ohms<br>- Compact headphone amplifier for mobile use<br>- Easy to use via the auto ON/OFF function<br>- Rechargeable via a USB socket e.g. on a laptop or USB charger<br>- 16-step volume control<br>- 8 hour runtime with the integrated rechargeable battery<br>- Audio input and headphone jack via 3.5 mm jack plug This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-012-2002, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 122-002
NSN: 5310-00-012-2002
FSC: 5310
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.266 INCHES NOMINAL IN
thread_class3B
hole_diameter0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
thread_seriesUNF
outside_diameter0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
thread_directionRIGHT-HAND
surface_treatmentPAINT OVERALL
material_thickness0.022 INCHES NOMINAL IN
width_across_flats0.500 INCHES NOMINAL IN
NSN5310-00-012-2002
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 122-002 · 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 SERIES: UNF
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
THREAD QUANTITY PER INCH: 24
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-611-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
•
NUT STYLE: HEXAGON
•
NUT HEIGHT: 0.266 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNF
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD QUANTITY PER INCH24
NOMINAL THREAD SIZE0.312 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-611-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.266 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATAA TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
114547Interchangeable
interchangeable cross-reference
interchangeable
917252Interchangeable
interchangeable cross-reference
interchangeable
122006Interchangeable
interchangeable cross-reference
interchangeable
72154Interchangeable
interchangeable cross-reference
interchangeable
A301564Interchangeable
interchangeable cross-reference
interchangeable
905212-02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 122-002?
122-002 is a CAPACITOR,FIXED,ELECTROLYTIC manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What parts can replace 122-002?
There are 20 known substitutes for 122-002: 114547, 917252, 122006 and 17 more. Substitute compatibility should be verified for your specific system.
Is 122-002 still available?
122-002 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