Model: HB91-XXX-32

Check Valve

Properties:

Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
External seat for gasket seal (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external boss all ends
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
12 all ends
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
3.750 inches all ends
Material
Rubber butadiene-acrylonitrile class nbr packing
Material
Steel comp 303 body
Material
Steel comp 303 seat
Material Specification
Ams 5640 assn standard single material response body
Material Specification
Ams 5640 assn standard single material response seat
Material Specification
Mil-p-5516, class b military specification single material response flow control device
Media For Which Designed
Hydraulic fluid, mineral base single response
Style Designator
Straight thru
Thread Series Designator
Un all ends
NSN
4820-01-084-0087
Part Number
HB91-XXX-32
Description
Valve,check
CAGE
77842

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part HB91-XXX-32 NSN 4820-01-084-0087

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
41.0000lbs
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:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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