Model: MS21900K16

Boss Nipple

Properties:

Thread Class
3a all ends
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Flared w/ gasket seal (boss) 1st end
Connection Type
Threaded external boss all ends
Thready Qty Per Inch (tpi)
12 all ends
Thread Size
1.3125 inches all ends
Nominallength
1.969 inches
Material
Steel comp 316
Style Designator
Flared and flareless w/ center wrenching facility
Thread Series Designator
Unj all ends
Specification Data
96906-ms21900 government standard
NSN
4730-01-217-8668
Part Number
MS21900K16
Description
Nipple,boss
CAGE

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 MS21900K16 NSN 4730-01-217-8668

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:
CRITL:
X

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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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