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Machine Screw

Model NAS M51959

Quick Information about NAS M51959

2a thread class, unc thread series designator.

For pricing and availability of this machine screw submit the price quote form on the right.

Product Details

  • NSN:
    5305-00-455-2516 (5305004552516)
  • Thread Direction:
    Right-hand
  • Thread Length:
    Between 0.227 inches and 0.308 inches
  • Fastener Length:
    Between 0.344 inches and 0.375 inches
  • Head Style:
    Flat countersunk
  • Head Diameter:
    Between 0.195 inches and 0.225 inches
  • Internal Style:
    Cross recess type 1
  • Thread Diameter:
    0.112 inches
  • Thready (tpi):
    40
  • Min. (psi):
    80000 pounds per square inch
  • Countersink Angle:
    Between 80.0 degrees and 82.0 degrees
  • Screw Material:
    Stainless steel or steel
  • Screw Specification:
    Qq-s-763, 300 series federal specification 1st material response or 66, 300 series federal standard 1st material response or comp 16-18 or 18-8 assn standard 2nd material response
  • Screw Treatment:
    Oxide
  • Screw Specification:
    Mil-c-13924, cl 4 military specification single treatment response
  • Nondefinitive Data:
    3 type and 2c style
  • Departure Designator:
    As modified by finish
  • Schedule B Code:
    7318152000

Classification

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

Definition Machine Screw

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 Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
Concept No.:
App. Key:
Cond. Code:
1
Status:
A

Part Materials

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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