Model: MS51856-6

Boss Nipple

Properties:

Thread Class
2a all ends
End Application
Turret for tank, combat, full tracked, 105mm gun m60a-1
Connection Style
External seat for gasket seal (boss) all ends
Connection Type
Threaded external boss all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches all ends
Nominallength
1.180 inches
Material
Steel comp 1213 or steel comp 1117 or steel comp 1118 or steel comp 1137
Material Specification
66 federal standard all material responses
Media For Which Designed
Hydraulic fluid single response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response inside
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response outside
Style Designator
Flareless (tube)
Style Designator
Flareless w/ center wrenching facility
Thread Series Designator
Unf all ends
Furnished Items And Quantity
2 tube coupling nut w/sleeve
Specification Data
96906-ms51856 government standard
Nondefinitive Specification/std Data
2 class and 2 type and 2 style
NSN
4730-00-087-3273
Part Number
MS51856-6
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 MS51856-6 NSN 4730-00-087-3273

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:
0.1000lbs
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

End Items End applications NSN 4730-00-087-3273 is a component of

  • 105mm Gun M60a-1 Full Tracked Combat Turret For Tank
  • Munitions Lift (mlt) Mhu-173/e Trailer
  • B-52 Aircraft Support Equipment
  • 007951797
  • Full Tracked Combat Engineer Vehicle
  • 007951797
  • Full Tracked Combat Engineer Vehicle

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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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