Model: 657488

Tee Head Bolt

Special Features:

Shoulder 0.127 in. Min, 0.132 in. Max lg from bearing surface of head by 0.309 in. Min, 0.311 in. Max dia

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.348 inches and 0.393 inches
Fastener Length
Between 0.552 inches and 0.572 inches
Head Style
Tee no. 3
Head Height
Between 0.080 inches and 0.100 inches
Head Length
Between 0.490 inches and 0.510 inches
Width Between Flats
Between 0.340 inches and 0.360 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
42.0 rockwell c and 46.0 rockwell c
Material
Steel
Material Specification
Ams 6304 assn standard single material response
Surface Treatment
Nickel and cadmium
Surface Treatment Specification
Ams 2416 assn standard all treatment responses
Thread Series Designator
Unjf
NSN
5306-00-410-6938
Part Number
657488
Description
Bolt,tee Head
CAGE
80539

An externally threaded fastener whose threaded portion is of one nominal diameter and with a head specially designed to fit in a slot and hold against turning.

Part 657488 NSN 5306-00-410-6938

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06668
FIIG:
A003B0
Concept No.:
App. Key:
CC
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
PQ
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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