Model: AS21902

Boss Nipple

Special Features:

Rumman aerospace inc supports a10 aircraft

Properties:

Thread Class
3a all ends
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
Thread Size
1.312 inches all ends
Nominallength
1.750 inches
Material
Aluminum alloy 2014
Material Specification
Qq-a-225/6, t851 federal specification single material response or qq-a-367, t6 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 military specification single treatment response
Style Designator
Flareless (tube)
Style Designator
Flareless w/ center wrenching facility
Thread Series Designator
Unj all ends
Specification Data
96906-ms21902 government standard
NSN
4730-00-289-6091
Part Number
AS21902
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 AS21902 NSN 4730-00-289-6091

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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051400
UFC:
29700
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7609000000
  • SITC: 68427
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Aluminum tube or pipe fittings (couplings,elbows sleeves)

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