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7700-409 — LOUDSPEAKER-MICROPHONE

✓ Government record, cited
Jabra · BOLT SCREW
PRODUCT OVERVIEW

7700-409: LOUDSPEAKER-MICROPHONE.

Jabra Speak 750 is engineered to power your meetings with seamless, premium audio. With full duplex sound for more natural conversations, UC and Microsoft Teams certification & plug-and-play capability, you get maximum flexibility for your huddle room. Jabra Speak 750 is engineered to power your meetings with seamless, premium audio.

Full duplex sound for more natural conversations. Jabra Speak 750 is engineered to power your meetings with seamless, premium audio. With full duplex sound for more natural conversations, UC and Microsoft Teams certification & plug-and-play capability, you get maximum flexibility for your huddle room.

Jabra Speak 750 is engineered to power your meetings with seamless, premium audio. With full duplex sound for more natural conversations, UC and Microsoft Teams certification & plug-and-play capability, you get maximum flexibility for your huddle room. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-770-0409, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
7700-409
NSN: 5306-00-770-0409
NIINs: 007700409, 016949150
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OVERALL
power_rating10.0 WATTS PEAK
thread_class2A A
thread_length1.375 INCHES MINIMUM IN
overall_height38.0 MILLIMETERS NOMINAL MM
overall_diameter131.0 MILLIMETERS NOMINAL MM
style_designatorSQUARE BEND
thread_directionRIGHT-HAND
hook_inside_width0.750 INCHES NOMINAL IN
surface_treatmentCADMIUM OR ZINC OVERALL
storage_temp_range-40.0 TO 45.0 CELSIUS DEGC
nominal_thread_diameter0.375 INCHES IN
NSN5306-00-770-0409
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7700-409 · Jabra ⚠ 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
•
DISTANCE FROM INSIDE OF BEND TO SHANK END: 9.750 INCHES NOMINAL IN
•
THREAD LENGTH: 1.375 INCHES MINIMUM IN
•
HOOK INSIDE WIDTH: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SQUARE BEND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
DISTANCE FROM INSIDE CENTER OF BEND TO HOOK END: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM INSIDE OF BEND TO SHANK END9.750 INCHES NOMINAL IN
THREAD LENGTH1.375 INCHES MINIMUM IN
HOOK INSIDE WIDTH0.750 INCHES NOMINAL IN
STYLE DESIGNATORSQUARE BEND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM INSIDE CENTER OF BEND TO HOOK END0.125 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES 1
A3279-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
Manufacturer release date (catalog record)2020-02-10
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7700-409?
7700-409 is a LOUDSPEAKER-MICROPHONE manufactured by Jabra.
What parts can replace 7700-409?
There is 1 known substitute for 7700-409: A3279-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 7700-409?
7700-409 is cataloged in the U.S. Government catalog under NSN 5306-00-770-0409. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.