Model: MS21902-3R

Boss Nipple

Properties:

Thread Class
3a all ends
Maximum Operating Temp
275.0 degrees fahrenheit single response
Connection Style
External seat for gasket seal (boss) 1st end
Connection Type
Threaded external boss all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.375 inches all ends
Nominallength
1.094 inches
Material
Steel comp 347 or steel comp 316
Material Specification
66, 300 series federal standard single material response
Media For Which Designed
Aeronautical fluid 1st response
Media For Which Designed
Oxygen, gaseous 2nd response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response
Style Designator
Flareless (tube)
Thread Series Designator
Unjf 1st end
Specification Data
96906-ms21902 government standard
NSN
4730-01-118-2566
Part Number
MS21902-3R
Description
Nipple,boss
CAGE
81343

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 MS21902-3R NSN 4730-01-118-2566

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:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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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