BACB30LM4U20

Bolt Shear

Part number

BACB30LM4U20

NSN

5306-01-144-2206

NIIN

011442206

Item name

Bolt Shear

Manufacturer

National Aerospace Standards

CAGE code

80205

FSC

5306 — Bolts

Unit of issue

EA

DEMIL code

A

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Alternate part numbers

• NAS6704U20 CAGE 80205
• Replaces
• cancelled
• NSN
• 5306-01-028-4426
• 5306-01-501-6529

Technical characteristics

Thread Class

3A

Thread Direction

Right-hand

Thread Length

0.400–0.450"

Full Length

1.660–1.690"

Head Type

Dished hexagon

Head Height

0.125–0.140"

Head Width

0.429–0.439"

Grip Diameter

0.2490–0.2495"

Nominal Thread Diameter

0.250"

Grip Length

1.240–1.260"

Threads Per Inch

28

Min Tensile Strength

160000 psi

Surface Finish

32.0 microinches (3 surfaces)

Material

AMS 5731 or AMS 5737/Iron alloy 660

Surface Treatment

Passivate/QQ-P-35

Thread Form

UNJF

Specification

NAS 6704

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