Safety Relief Valve

NSN: 4820-01-656-7843 | Model: 28001-206-15

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.

NSN Properties and Flags

NATO Stock Number

4820-01-656-7843

DEMIL

Maximum Operating Temp

250.00 degrees fahrenheit single response

Minimum Operating Temp

-40.0 degrees fahrenheit

Connection Style

Flar (tube) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded internal boss 1st end

Thready Qty Per Inch (tpi)

18 all ends

Maximum Operating Pressure

3500.00 pounds per square inch single response

Thread Size

0.5625 inches all ends

Seat Angle

45.00 degrees 1st end

Face To Face Distance

2.90 inches

Part Name Assigned By Controlling Agency

Velocity fuse

Special Features

Inlet: -06 sae; outlet: -06 jic; fail safe design, rapid response; flow range: 0.5 to 10.0 gpm; closing flow: 15 gpm;

Material

Steel body

Style Designator

Straight through note: to be used for valve bodies of one section only.

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE7MC19T6970	2019-03-18	PMCMU	13 EA
SPE7M019T5662	2019-03-15	PMCMS	1 EA
SPE7M019T3061	2018-12-31	PMCMS	1 EA
SPE7MC18Q0496	2018-07-09	PMCMU	1 EA
SPE7MC18T034X	2018-06-14	PMCMU	1 EA
SPE7MC18T001X	2018-05-29	PMCMU	1 EA

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 4820-01-656-7843 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

28001-206-15

Cage Codes:

Vonberg Valve Inc (CAGE 58143)

Freight Information:

NMFC:

127220 - Pressure reg/red/relief valves noi
WCC:

594 - Pumps and parts, (machinery and parts),(less than 35 feet)
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
LTL:

P - 77.5
ACC:

V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
J
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
9b-----
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $178.44 to $297.41..
Does NSN 4820-01-656-7843 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy
What is the NIIN of NSN 4820-01-656-7843?
016567843 or 01-656-7843
Does NSN 4820-01-656-7843 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-01-656-7843?
Solicitation SPE7MC19T6970 for qty 13 on 03/08/2019