Stop-check Valve

NSN: 4810-01-268-5998 | Model: B14251E-0400

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

NSN Properties and Flags

NATO Stock Number

4810-01-268-5998

DEMIL

Flow Control Device

Disk

Bonnet Type

Outside screw-yoke

Bonnet Attachment Method

Bolted

Bolt Hole Quantity

8 all ends

Valve Operation Method

Manual

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Mounting Position

Vertical

Valve Size

4.000 inches

Maximum Operating Pressure

150.0 pounds per square inch single response

Outside Diameter

9.000 inches all ends

Thickness

0.688 inches all ends

First Connection Face To Centerline Distance

5.500 inches

Bolt Hole Diameter

0.750 inches all ends

Second Connection Face To Centerline Distance

5.500 inches

Bolt Circle Diameter

7.500 inches all ends

Flange Face Design

Plain all ends

Material

Nickel alloy flow control device

Material Specification

Qq-n-281 cl a federal specification single material response stem

Style Designator

Angle flanged ends

Supplementary Features

This item has been reviewed for asbestos material. The current approved source, 30263, has indicated their part number contained asbestos prior to 1984. They continue to manufacture the same part number without asbestos material after 1984

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 4810-01-268-5998 Datasheet

Supply Class (FSC):

Powered Valves

Cross Reference:

B14251E-0400

Cage Codes:

Pima Valve, Inc. (CAGE 30263)

Schedule B & Trade:

Schedule B: 8481301090 (NAICS 332911)

Check valves of copper having a pressure rating of 850 kpa or over
SITC: 74730

Check valves
End Use: 21180

Industrial machines, other

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

051080 - Faucets, bibcocks, gates valves
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.
ACC:

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

W - Rating variable
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
3b-----
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $7,747.43 to $12,912.38..
Does NSN 4810-01-268-5998 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 4810-01-268-5998?
012685998 or 01-268-5998
Does NSN 4810-01-268-5998 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4810-01-268-5998?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Dec 04, 1987