Model: MS21902-12C

Boss Nipple

Properties:

Thread Class
3a all ends
Maximum Operating Temp
274.0 degrees fahrenheit single response
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
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
1.062 inches all ends
Nominallength
1.750 inches
Material
Steel comp 304
Material Specification
66 federal standard single material response
Media For Which Designed
Fluid single response
Surface Treatment
Passivate inside
Surface Treatment
Passivate outside
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
Style Designator
Flareless (tube)
Style Designator
Flareless w/ center wrenching facility
Thread Series Designator
Unj all ends
NSN
4730-00-720-1557
Part Number
MS21902-12C
Description
Nipple,boss
CAGE
96906

A straight, one-piece fitting used to join two bosses or boss fittings. Both ends are the same size and have external machine threads (straignt threads other than pipe or hose series). It is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. The center section may be suitably shaped to accommodate a wrench.

Part MS21902-12C NSN 4730-00-720-1557

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26952
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:
0.3000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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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