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74399 — COMMUNICATION-IDENTIFICATION-NAV

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

74399: COMMUNICATION-IDENTIFICATION-NAV.

COMMUNICATION-IDENTIFICATION-NAV. Key specifications include material: STEEL OVERALL, corner_shape: CHAMFERED OUTSIDE LEFT CORNER, overall_length: 0.5900 INCHES MINIMUM AND 0.5950 INCHES MAXIMUM IN, hardness_rating: 60.0 ROCKWELL C NOMINAL OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.4390 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-206-9837, 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
74399
NSN: 5305-00-206-9837
NIINs: 002069837, 002281382, 003561215, 010187954
FSC: 5305 — Screws
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeCHAMFERED OUTSIDE LEFT CORNER
overall_length0.5900 INCHES MINIMUM AND 0.5950 INCHES MAXIMUM IN
hardness_rating60.0 ROCKWELL C NOMINAL OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.4390 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM IN
body_outside_diameter1.0520 INCHES MINIMUM AND 1.0720 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED CIRCULAR
surface_groove_location_and_quantity1 INTERNAL
NSN5305-00-206-9837
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 74399 · 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
•
HEAD HEIGHT: 0.094 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.766 INCHES NOMINAL IN
•
THREAD LENGTH: 0.188 INCHES MINIMUM IN
•
FIRST DIAMETER FROM HEAD: 0.125 INCHES NOMINAL IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 0.578 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
FEATURES PROVIDED: CASEHARDENED
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.094 INCHES NOMINAL IN
FASTENER LENGTH0.766 INCHES NOMINAL IN
THREAD LENGTH0.188 INCHES MINIMUM IN
FIRST DIAMETER FROM HEAD0.125 INCHES NOMINAL IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.578 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
FEATURES PROVIDEDCASEHARDENED
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SECOND DIAMETER FROM HEAD0.094 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74399?
74399 is a COMMUNICATION-IDENTIFICATION-NAV.
What is the NSN for 74399?
74399 is cataloged in the U.S. Government catalog under NSN 5305-00-206-9837. This indicates validated use in U.S. government and defense supply chains.
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