Model: 1.250-12UNF-2A 5.000LG STLGR8CAD

Socket Head Cap Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 2.500 inches and 2.710 inches
Fastener Length
Between 4.812 inches and 5.000 inches
Head Style
Hexagon
Head Height
Between 0.749 inches and 0.813 inches
Width Between Flats
Between 1.812 inches and 1.875 inches
Locking Feature
Patch threads or pellet threads or strip threads
Internal Drive Style
W/o internal drive
Thread Diameter
1.250 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
12
Min. Tensile Strength (psi)
150000 pounds per square inch
Hardness Rating
32.0 rockwell c fastener and 38.0 rockwell c fastener
Minimum Yield Strength
130000 pounds per square inch
Part Name Assigned By Controlling Agency
Navy special project
Material
Plastic polyamide locking feature
Material
Steel fastener
Material Specification
Sae grade 8 assn standard single material response fastener
Surface Treatment
Cadmium fastener and chromate fastener
Surface Treatment Specification
Qq-p-416 type 2 cl 2 federal specification single treatment response fastener
Thread Series Designator
Unf
Nondefinitive Specification/std Data
1 type
NSN
5305-01-290-3756
Part Number
1.250-12UNF-2A 5.000LG STLGR8CAD
Description
Screw,cap,socket Head
CAGE
80204

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 1.250-12UNF-2A 5.000LG STLGR8CAD NSN 5305-01-290-3756

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096640
UFC:
50600
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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