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

Socket Head Cap Screw

Properties:

Thread Class

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)

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:

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: 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