4820-00-431-8321

Description: Stop-check Valve

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We are commited to quality and satisfaction as a certified supplier in the aerospace and military industries.

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MILSPEC: MIL-R-17131

 Export Restrictions

Any part(s) quoted or sold by MilSpec.parts and re-sold (to a third party) CANNOT be sold to a USA embargoed country, company, entity, or person(s). Depending on the ECCN, these commodities may require export license or exception. Diversion contrary to U.S. law is prohibited. Unless otherwise noted, this sale, order or quote may include Munitions List Items (MLI) or Commerce Controlled List Items (CCLI). MLI/CCLI property is controlled by the US Government and in many cases cannot be transferred (exported, sold or given) to a foreign country, a non-US Citizen/National or a non- Permanent US Resident without a valid State/Commerce Department export authorization. It is the responsibility of (the Purchaser) to determine what the applicable requirements may be, to obtain all necessary authorizations, licenses or approvals and are subject to both review and acceptance by MilSpec.parts. The use, disposition, export and re-export of the property covered or included in this sale, order or quote is subject to the provisions of law referenced in End-Use Certificate DLA form 1822, DEC 2001, including, but not limited to, the Arms Export Control Act (22 USC 2751 et seq.); Export Administration Act of 1979 (50 USC App. 2401 et seq.) as contained under Executive Order 12924; International Traffic in Arms Regulations (22 CFR 120 et seq.); Export Administration Regulations (15 CFR 730 et seq.); Foreign Assets Control Regulations (31 CFR 500 et seq.) and the Espionage Act (18 USC 793 et seq.)

More MIL-R-17131 Parts

MIL-R-17131 Stop-check Valve

Spec. Type Spec. Color Gloss Size
Material document and classification MIL-R-17131

Array Properties

  • NSN:
    Array
  • Description:
    Stop-check Valve
  • Shelf Life:
    N/A
  • DEMIL:
    NO
  • UOM:
    1 EA
  • Pipe Size Accommodated:
    0.750 inches all ends
  • Flow Control Device:
    Disk
  • Bonnet Type:
    Outside screw-yoke
  • Bonnet Attachment Method:
    Bolted
  • Maximum Operating Temp:
    775.0 degrees fahrenheit single response
  • Connection Style:
    Socket (pipe) all ends
  • Valve Operation Method:
    Manual
  • Connection Type:
    Unthreaded internal pipe all ends
  • Mounting Position:
    Horizontal
  • Features Provided:
    Bonnet packing
  • Maximum Operating Pressure:
    1500.0 pounds per square inch single response
  • Special Features:
    Valve size 0.750 in.
  • Material:
    Steel seat
  • Material Specification:
    Mil-r-17131, mil-rcocr-a military specification single material response seat
  • Media For Which Designed:
    Steam single response
  • Style Designator:
    Straight thru
Manufacturers and Part Numbers
Part Number
Brand
C522-0-B12
Hunt Valve Company
C522-1-BREVA/C522-1-B2/882039336
Hunt Valve Company
B522-1-B1CID882039176
Hunt Valve Company
81561-01 3/4IN
Milwaukee Valve Company
B522-1-B1
Hunt Valve Company
S807-14
Sfc Valve Corporation
C522-1-B PART C522-1-B2
Hunt Valve Company
80000-01 PART 81561-01 3/4IN
Milwaukee Valve Company
C522-1-B2
Hunt Valve Company
Major Organizational Entities (MOE)
Entity
MOE Code
MOE Rule
PICA
DSOR
User:
BRAZIL Brazil
MOE_CD:
YA
MOE_RL:
YA01
PICA:
YA
DSOR:
User:
TURKEY Turkey
MOE_CD:
ZW
MOE_RL:
ZW01
PICA:
ZW
DSOR:
Part Identification
INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05486
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
2
Status:
A
Material and Special Handling
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:
S
Hazmat (HMIC): N
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious Metals (PMIC): A
Item does not contain precious metal.
Criticality (CRITL): S
The item is a non-aviation critical safety item (csi) whose failure will result in serious damage to equipment or serious injury or death to personnel.
Packaging and Dimensions
Package Size
Package Weight
Part Weight
Part Dimensions (approx.)
Pack Size:
--
Pack Weight:
--
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
Container:
ED
OPI:
M
SPI No.:
0395010011
SPI Rev.:
F
SPC Mkg.
LVL A
LVL B
LVL C
SPC Mkg.:
00
LVL A:
E
LVL B:
Q
LVL C:
Q
CUSH
MOP
CATEG.
PRESS MAT
CUSH:
ZZ
MOP:
ZZ
CATEG.:
ZZZZ
PRESS MAT:
XX
WRAP MAT
ICQ
THK
TOS
UCL
WRAP MAT:
XX
ICQ:
000
THK:
Z
TOS:
UCL:
O
Packaging Code Definitions
LVL A Code (LVL_A):E
Packing shall be accomplished to meet the performance test requirements of astm-d4169, distribution cycle 18, assurance level 1.
LVL B Code (LVL_B): Q
Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.
Procedure Indicator Code (OPI): M
All packaging data is mandatory for compliance and no substitutions are permitted. fast packs should be included in this category.
Special Markings Code (SPC MKG): 00
No special marking.
Method of Preservation (MOP): ZZ
See j.4.1.B.
Cushion Material (CUSH): ZZ
Special requirements. see specific instructions or drawings provided.
Preservation Material (PRESS MAT): XX