Model: AS21916-6-4S

Boss Reducer

Properties:

Thread Class
3a all ends
Reducer Type
Concentric
Maximum Operating Temp
-65.0 degrees fahrenheit 2nd response
Maximum Operating Temp
275.0 degrees fahrenheit 1st response
Connection Type
Threaded external boss all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches 2nd end
Thread Size
0.562 inches 1st end
Reduced Passage Inside Diameter
0.187 inches all ends
Nominallength
1.219 inches
Material
Stainless steel
Material Specification
66, aisi 347/sae 30347 federal standard 1st material response or 66, aisi 316/sae 30316 federal standard 2nd material response
Media For Which Designed
Air 2nd response
Media For Which Designed
Hydraulic fluid 1st response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s--5002 military specification single treatment response
Thread Series Designator
Unjf all ends
Specification Data
96906-ms21916 government standard
NSN
4730-00-720-3985
Part Number
AS21916-6-4S
Description
Reducer,boss
CAGE
81349

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 AS21916-6-4S NSN 4730-00-720-3985

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:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
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: 7307994000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Other fittings nesoi of alloy steel not stainless

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