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FSC 4730 | Railing Fittings Lubrication Tube Pipe Hose
MS21915-10-4

Model: MS21915-10-4

Boss Reducer

Properties:

Thread Class

3a 2nd end

Thread Class

3b 1st end

Reducer Type

Concentric

Connection Style

External seat for gasket seal (boss) 2nd end

Connection Style

Gasket seal (boss) 1st end

Connection Type

Threaded external boss 2nd end

Connection Type

Threaded internal boss 1st end

Thread Size

0.438 inches 2nd end

Thread Size

0.875 inches 1st end

Nominallength

1.578 inches

Material

Stainless steel

Material Specification

66, aisi 304 or 316 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

Unjf all ends

Specification Data

96906-ms21915 government standard

Departure From Cited Document

As modified by material

NSN

4730-00-843-9628

Part Number

MS21915-10-4

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 MS21915-10-4 NSN 4730-00-843-9628

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

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Schedule B and Export

Schedule B: 7307290000
SITC: 67956
End Use: Iron and steel products, other
NAICS: 332919
USDA: 1

Freight Class: Stainless steel tube or pipe fittings nesoi