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MS21916-16-12C

Model: MS21916-16-12C

Boss Reducer

Properties:

Thread Class

3a all ends

Reducer Type

Concentric

Connection Style

External seat for gasket seal (boss) all ends

Connection Type

Threaded external boss all ends

Thready Qty Per Inch (tpi)

12 all ends

Thread Size

1.312 inches 1st end

Thread Size

1.062 inches 2nd end

Nominallength

1.750 inches

Material

Steel comp 304

Material Specification

66 federal standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-f-14072, e300, type 2 military specification single treatment response outside

Surface Treatment Specification

Mil-s-5002 military specification single treatment response inside

Thread Series Designator

Unj all ends

Specification Data

96906-ms21916 government standard

NSN

4730-00-817-8316

Part Number

MS21916-16-12C

Description

Reducer,boss

CAGE

96906

A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes bushing (as modified).

Part MS21916-16-12C NSN 4730-00-817-8316

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

23541

FIIG:

A080B0

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:

0.3000lbs

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:

052190

UFC:

30000

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 4730-00-817-8316 is a component of

Close In Weapon System (ciws-phalanx)
Ec-135h/k/p) Aircraft Tf33-pw-102 (c-135e Engine
B-52h) Aircraft Tf33-p-3/5/9 (c/ec-135 Engine
Hh-53b) T64-ge-3/7 (h-53b/c/h Aircraft Engine
Tf-33-p-7 (c-141a/b) Aircraft Engine
Mh-53e Helicopter
Sof / Hh-53j/m Pave Low Helicopter
C-17a Aircraft Support Equip
Landing Craft Air Cushion (lcac)
013949903
Nonmetallic Hose Assembly Parts Kit

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Schedule B and Export

Schedule B: 7307994000
SITC: 67959
End Use: Iron and steel products, other
NAICS: 332919
USDA: 1

Freight Class: Other fittings nesoi of alloy steel not stainless