Model: 2-121-026-04

Externally Relieved Body Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.440 inches and 0.460 inches

Fastener Length

Between 3.460 inches and 3.480 inches

Head Style

Hexagon

Head Height

Between 0.180 inches and 0.200 inches

Width Between Flats

Between 0.492 inches and 0.502 inches

First Diameter From Head

Between 0.311 inches and 0.313 inches

Second Diameter From Head

Between 0.253 inches and 0.258 inches

Third Diameter From Head

Between 0.311 inches and 0.313 inches

Fourth Diameter From Head

Between 0.253 inches and 0.258 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter

Between 0.240 inches and 0.260 inches

Distance From Largest Bearing Surface Of Head To End Of Second Diameter

Between 1.520 inches and 1.540 inches

Distance From Largest Bearing Surface Of Head To End Of Third Diameter

Between 1.720 inches and 1.740 inches

Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter

Between 3.010 inches and 3.030 inches

Thread Diameter

0.312 inches

Thready Qty Per Inch (tpi)

Hardness Rating

37.0 rockwell c and 45.0 rockwell c

Externally Relieved Body Diameter Quantity

Material

Stainless steel

Material Specification

-3603, fscm 91547 mfr ref single material response

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

Ams 2410 assn standard single treatment response

Test Data Document

+6808-p-191547 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Thread Series Designator

Unf

NSN

5306-00-142-4932

Part Number

2-121-026-04

Description

Bolt,externally Relieved Body

CAGE

99193

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 undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

Part 2-121-026-04 NSN 5306-00-142-4932

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06675

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

5.0 X 1.2 X 1.2

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

WCC:

713

TCC:

SHC:

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