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127821 — ANTENNA ELEMENT

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

127821: ANTENNA ELEMENT.

The ANTENNA ELEMENT is a the manufacturer industrial component. Key specifications include length: 228.6 MILLIMETERS NOMINAL MM, diameter: 0.85 MILLIMETERS NOMINAL MM, material: STEEL CORROSION RESISTING OVERALL, tip_type: DIAMOND, design_type: STRAIGHT SINGLE ANTENNA ELEMENT, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-712-9335, 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
127821
NSN: 5306-00-712-9335
NIINs: 007129335, 011236543, 015169500, 015190168
FSC: 5306 — Bolts
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
length228.6 MILLIMETERS NOMINAL MM
diameter0.85 MILLIMETERS NOMINAL MM
materialSTEEL CORROSION RESISTING OVERALL
tip_typeDIAMOND
design_typeSTRAIGHT SINGLE ANTENNA ELEMENT
thread_class2A A
thread_length1.875 INCHES MINIMUM IN
overall_length7.958 FEET NOMINAL FT
frequency_rating30.000 MEGAHERTZ MINIMUM AND 300.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT
overall_diameter1.000 INCHES NOMINAL IN
special_featuresTHREADED KIRSCHNER WIRE; FOR USE WITH NSN 6515-01-165-6694; 9 IN. LENGTH; 0.035 IN. DIA IN
style_designatorRIGHT ANGLE BEND
NSN5306-00-712-9335
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 127821 · OEM ⚠ 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: 2.625 INCHES NOMINAL IN
•
THREAD LENGTH: 1.875 INCHES MINIMUM IN
•
HOOK INSIDE WIDTH: 0.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RIGHT ANGLE BEND
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS
DISTANCE FROM INSIDE OF BEND TO SHANK END2.625 INCHES NOMINAL IN
THREAD LENGTH1.875 INCHES MINIMUM IN
HOOK INSIDE WIDTH0.312 INCHES NOMINAL IN
STYLE DESIGNATORRIGHT ANGLE BEND
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
THREAD QUANTITY PER INCH20
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SUBSTITUTES & CROSS-REFERENCES 1
127821H1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 127821?
127821 is a ANTENNA ELEMENT.
What parts can replace 127821?
There is 1 known substitute for 127821: 127821H1. Substitute compatibility should be verified for your specific system.
What is the NSN for 127821?
127821 is cataloged in the U.S. Government catalog under NSN 5306-00-712-9335. This indicates validated use in U.S. government and defense supply chains.
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