Model: 500259-16

Machine Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.469 inches and 0.500 inches
Fastener Length
Between 0.469 inches and 0.500 inches
Head Style
Fillister
Head Diameter
Between 0.208 inches and 0.226 inches
Head Height
Between 0.089 inches and 0.096 inches
Internal Drive Style
Slot
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Screw Material
Copper alloy 230 or copper alloy 240
Screw Material Specification
Qq-b-613, c23000 federal specification 1st material response or qq-b-626, c23000 federal specification 1st material response or qq-w-321, c23000 federal specification 1st material response or qq-b-613, c24000 federal specification 2nd material response or qq-b-626, c24000 federal specification 2nd material response or qq-w-321, c24000 federal specification 2nd material response
Thread Series Designator
Unc
Specification Data
88044-an500 government standard and 24617-100907 manufacturers standard
NSN
5305-00-151-1277
Part Number
500259-16
Description
Screw,machine
CAGE
06840

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Part 500259-16 NSN 5305-00-151-1277

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
Concept No.:
App. Key:
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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096630
UFC:
50590
LTL:
70.0
LCL:
70.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415338550
  • SITC: 69433
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Other copper screws (not for wood) bolts and nuts

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