Model: 7541911P1

Externally Relieved Body Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.158 inches
Fastener Length
0.438 inches
Head Style
Pan
Head Diameter
Between 0.256 inches and 0.270 inches
Head Height
Between 0.087 inches and 0.097 inches
First Diameter From Head
0.085 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.270 inches and 0.290 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Externally Relieved Body Diameter Quantity
1
Material
Stainless steel
Material Specification
Qq-s-763 300 series federal specification single material response or comp 16-18 or 18-8 assn standard single material response
Surface Treatment
Chromate top of head and enamel top of head
Surface Treatment
Passivate bearing surface of head
Surface Treatment
Passivate threads
Surface Treatment Specification
Mil-f-14072 e300 military specification single treatment response threads
Surface Treatment Specification
Mil-p-8585 military specification 1st treatment response top of head and tt-e-527 color 36231 federal specification 2nd treatment response top of head
Thread Series Designator
Unc
NSN
5305-01-087-8775
Part Number
7541911P1
Description
Screw,externally Relieved Body
CAGE
99971

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also bolt, externally relieved body and bolt, internal wrenching.

Part 7541911P1 NSN 5305-01-087-8775

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01852
FIIG:
A003B0
Concept No.:
App. Key:
SE
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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
Z
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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