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NSN 4820-00-001-6553

Description: Safety relief valve nsn 4820-00-001-6553 and part number(s) with same form, fit, and function: a51k56028-1.

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NSN: 4820-00-001-6553
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Safety Relief Valve NSN 4820-00-001-6553 Datasheet

  • Thread Class:
    3a 1st end
  • Thread Direction:
    Right-hand 1st end
  • Flow Control Device:
    Poppet
  • Disk Loading Method:
    Spring
  • Connection Style:
    G50 external seat for gasket seal (boss) 1st end
  • Connection Style:
    External seat for gasket seal (boss) 1st end
  • Valve Operation Method:
    Automatic
  • Connection Type:
    Threaded external boss 1st end
  • Features Provided:
    Pressure tight outlet side
  • Thread Quantity Per Inch:
    16 1st end
  • Nominal Thread Size:
    1.187 inches 1st end
  • Nominal Outside Diameter Tube Accommodated:
    0.875 inches 1st end
  • Material:
    Steel overall
  • Style Designator:
    Err-090
  • Style Designator:
    Straight thru
  • Thread Series Designator:
    Unj 1st end

Identification:

NIIN: 000016553
NSN: 4820000016553
DEMIL Code: A
DEMIL Code Meaning: Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations.
ADPE:
CRITL: X
ENAC:
ESD:
HMIC: N
PMIC: U

Freight Codes:

NMF Desc: Pressure Reg/red/relief Valves Noi
NMFC: 127220
UFC: 64490
LTL: 77.5
LCL:
WCC: Pumps and parts, (machinery and parts),(less than 35 feet)
TCC: No special type of cargo code applicable
SHC: Other or no special handling required (sh)
ADC: Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC: Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
ASH: No special handling required.

Management Codes:

CTL: 9B----- (MOE: DN)
SOS: SMS
AAC: Not stocked, centrally procured # (non-stocked items). imm/service centrally managed but not stocked item. procurement will be initiated only after receipt of a requisition.
CIIC:
RC:
QUP: 1
UI: EA
SLC: 0

Schedule B & Trade:

8481400000 (NAICS 332911)
Safety or relief valves
SITC:
74740

Safety or relief valves

End Use:
21180

Industrial machines, other

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
How is national stock number 4820-00-001-6553 defined?
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.
Does this item require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is this item ITAR controlled?
No. This item is not ITAR Controlled.
When was this national stock number assigned to the federal catalog?
Sep 29, 1972

Replacements and Cancellations:

4820-00-001-6553 is not a replacement of any national stock number and has not been cancelled or replaced itself.