Check Valve

NSN: 4820-00-001-9555 | Model: 2132A-4TT

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

4820-00-001-9555

DEMIL

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Disk Loading Method

Spring

Connection Style

Flared (tube) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external tube all ends

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

20 all ends

Maximum Operating Pressure

1000.0 pounds per square inch single response

Thread Size

0.438 inches all ends

Seat Angle

37.0 degrees all ends

Outside Diameter Tube Accommodated

0.250 inches all ends

Material

Aluminum alloy seat

Media For Which Designed

Hydraulic fluid, petroleum base 2nd response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625, type 1 military specification single treatment response

Style Designator

Straight thru

Thread Series Designator

Unjf all ends

Inventory Check

The last inventory check on this NSN was done on 06/15/2022. Due to rapid changes in inventory this may not be the current stock qty.

New Surplus: 1436
New: 1567
Serviceable: 1
Overhauled: 1

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 4820-00-001-9555 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

2132A-4TT
364898-1

Cage Codes:

Circor Aerospace, Inc. (CAGE 91816)
Honeywell International Inc. (CAGE 99193)

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

U - Precious metal content is unknown

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
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 $312.30 to $520.49..
Does NSN 4820-00-001-9555 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 4820-00-001-9555?
000019555 or 00-001-9555
Does NSN 4820-00-001-9555 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-001-9555?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Oct 07, 1972