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Technical Data Sheet
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120505 — SWITCH,RADIO FREQUENCY TRANSMISS

✓ Government record, cited
Hama · BOLT SCREW
PRODUCT OVERVIEW

120505: SWITCH,RADIO FREQUENCY TRANSMISS.

- Patented, 24 carat gold-plated contact surfaces in quadruple splitted Turbine® design for excellent signal transmission and corrosion prevention - Split-Tip contact pin for maximum contact pressure and extremely low signal distortion - Flexible, low loss dielectric for highest signal quality, also for big cable lengths or small wiring radius - 100% aluminium coated Mylar® foil screening for better protection against interferences - Duraflex protective braid for easy handling and installation - Exact impedance of 75 Ohms provides maximum signal power This part is cataloged in the U.S. Government catalog under NSN 5305-00-012-0505, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
120505
NSN: 5305-00-012-0505
NIINs: 000120505, 015112032
FSC: 5305 — Screws
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.234 INCHES NOMINAL IN
thread_class2A A
thread_length0.750 INCHES MAXIMUM IN
fastener_length0.750 INCHES NOMINAL IN
special_featuresTRANSFER SWITCH ASSEMBLY, GLIDE SLOPE
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
width_between_flats0.562 INCHES NOMINAL IN
end_item_identificationAIRSYS MARK 20 (COMMERCIAL)(MARK 20A) A
nominal_thread_diameter0.375 INCHES IN
NSN5305-00-012-0505
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 120505 · Hama ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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HEAD HEIGHT: 0.234 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 1 OR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.234 INCHES NOMINAL IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 1 OR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.562 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE
SURFACE TREATMENTPHOSPHATE OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
FFS85TYPE2STYLE10PReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 120505?
120505 is a SWITCH,RADIO FREQUENCY TRANSMISS manufactured by Hama.
What parts can replace 120505?
There is 1 known substitute for 120505: FFS85TYPE2STYLE10P. Substitute compatibility should be verified for your specific system.
What is the NSN for 120505?
120505 is cataloged in the U.S. Government catalog under NSN 5305-00-012-0505. This indicates validated use in U.S. government and defense supply chains.
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