Model: 53A-00-138-1

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.630 inches

Fastener Length

3.500 inches

Head Style

Hexagon

Head Height

Between 0.185 inches and 0.190 inches

Width Between Flats

0.090 inches

Locking Feature

Strip threads

Internal Drive Style

Hexagon

Thread Diameter

0.190 inches

Width Across Flats

Between 0.1562 inches and 0.1587 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

130000 pounds per square inch

Material

Nickel alloy k-500

Material Specification

Qq-n-286 federal specification single material response

Thread Series Designator

Unf

NSN

5305-01-368-1708

Part Number

53A-00-138-1

Description

Screw,cap,socket Head

CAGE

29432

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 53A-00-138-1 NSN 5305-01-368-1708

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

096640

UFC:

50600

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7508900000
SITC: 69975
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)