Model: MS21916-4-3C

Boss Reducer

Properties:

Thread Class
3a all ends
Reducer Type
Concentric
Maximum Operating Temp
135.0 degrees celsius single response
Connection Type
Threaded external boss all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.375 inches 2nd end
Thread Size
0.438 inches 1st end
Nominallength
1.141 inches
Material
Chromium
Material Specification
66 federal standard single material response
Surface Treatment
Passivate
Thread Series Designator
Unjf all ends
Specification Data
81343-as21916 professional/industrial association specification
Departure From Cited Document
As modified by material
NSN
4730-00-851-8466
Part Number
MS21916-4-3C
Description
Reducer,boss
CAGE
00624

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 MS21916-4-3C NSN 4730-00-851-8466

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
23541
FIIG:
A080B0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 0.0 X 0.0
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
052190
UFC:
30000
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8112290000
  • SITC: 68995
  • End Use: Finished metal shapes
  • NAICS: 331410
  • USDA: 1

Freight Class: Chromium and articles thereof, nesoi

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