Model: 7M637

Boss Coupling

Special Features:

Weapons system essential

Properties:

Thread Class
3b all ends
Connection Style
Gasket seal (boss) all ends
Connection Type
Threaded internal boss all ends
Thread Size
0.562 inches all ends
Criticality Code Justification
Feat
Nominallength
1.188 inches
Material
Aluminum alloy
Surface Treatment
Anodize inside
Surface Treatment
Anodize outside
Surface Treatment Specification
Mil-a-8625 military specification single treatment response inside
Surface Treatment Specification
Mil-a-8625 military specification single treatment response outside
Style Designator
Rigid, short center wrenching facility
Thread Series Designator
Unf all ends
Specification Data
81343-as4875 professional/industrial association standard and 80205-nas424 professional/industrial association standard
NSN
4730-00-278-8868
Part Number
7M637
Description
Coupling,boss
CAGE
76301

A straight one-piece fitting 12 inches (304 mm) long or under having the same size fitting on each end (straight machine threads other than pipe or hose series). It may have internal threads on both ends or internal threads on one end and external threads on the other designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It is designed to join two bosses or boss fittings. Excludes items having external threaded connections on both ends.

Part 7M637 NSN 4730-00-278-8868

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26953
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:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.4000lbs
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:
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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