Check Valve

NSN: 4820-01-315-0933 | Model: 277A-4TB

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.

NSN Properties and Flags

NATO Stock Number

4820-01-315-0933

DEMIL

Yes - ITAR Controlled (Code B)

Thread Class

3b 2nd end

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Maximum Operating Temp

275.0 degrees fahrenheit 2nd response

Connection Style

Gasket seal (boss) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded internal boss 2nd end

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

20 all ends

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.438 inches all ends

Seat Angle

37.0 degrees 1st end

Material

Aluminum alloy body

Media For Which Designed

Carbon dioxide 5th response

Style Designator

Straight thru

Thread Series Designator

Unjf 1st end

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 4820-01-315-0933 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

277A-4TB
277A4TBL

Cage Codes:

Circor Aerospace, Inc. (CAGE 91816)

Schedule B & Trade:

Schedule B: 8481309000 (NAICS 332911)

Check valves of materials other than copper, iron or steel
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:

576 - Metal and metal products, nos, (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:

B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
LTL:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
Z
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 $295.61 to $492.68..
Does NSN 4820-01-315-0933 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 4820-01-315-0933?
013150933 or 01-315-0933
Does NSN 4820-01-315-0933 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-01-315-0933?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Feb 09, 1990