Model: 21025884-101

Welding Stud

Special Features:

Furnished with hexagon jam nut, molycoat per mil-l-23398 type 1 or type 2; braze per mil-b-7883, type 2, grade b

Properties:

Thread Class

2a nut thread

Thread Direction

Right-hand nut thread

Thread Length

1.620 inches nut thread

Head Diameter

1.250 inches

Head Length

0.250 inches

Thready Qty Per Inch (tpi)

16 nut thread

Thread Size

0.375 inches nut thread

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 316l

Material Specification

Qq-s-763 federal specification single material response

Surface Treatment

Passivate head

Surface Treatment Specification

Qq-p-35 federal specification single treatment response head

Style Designator

Welding

Thread Series Designator

Unc nut thread

NSN

5307-01-284-0892

Part Number

21025884-101

Description

Stud,welding

CAGE

81395

A headed or headless fastener externally or internally threaded. It is intended for fastening by welding the head, unthreaded end or welding tip. If headed, the head is not designed to be self-holding, nor to be turned with a wrench or inserted driver, nor does the head have small raised projections on the top or underside to facilitate welding. See also bolt, welding.

Part 21025884-101 NSN 5307-01-284-0892

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16944

FIIG:

A051A0

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:

Paclk Weight:

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:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318155000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Studs of iron or steel, threaded