2E78

Flow Control Thermostat

NSN 6685-00-452-6120

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

004526120

Product Technical Spec.

Overall Height:

Between 2.156 inches and 2.250 inches

Mounting Method:

Flange

Flow Control Device:

Choke

Largest Outside Diameter:

Between 2.547 inches and 2.552 inches

Usage Design:

To cool engine water

Valve Travel Distance:

0.313 inches

Thermostat Type:

Bellows

Opening Tempurature Rating:

157.0 degrees fahrenheit

Spring Operated Pressure Relief:

Not provided

NSN:

6685-00-452-6120

Item Name:

Thermostat,engine Water Temperature

Cage Code:

73475

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

3126550

Cage Code:

7X677

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

5157704

Cage Code:

7X677

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

11770BS

Cage Code:

1ML14

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

854745

Cage Code:

89749

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

1124988

Cage Code:

12204

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

870681

Cage Code:

12204

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

158A

Cage Code:

73475

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

94009

Cage Code:

73475

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

2E125

Cage Code:

73475

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

95F

Cage Code:

73475

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

50C

Cage Code:

78222

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

1320032

Cage Code:

78222

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

Cage Code:

80439

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

900K53

Cage Code:

83299

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

1B6572

Cage Code:

95201

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

412571

Cage Code:

65282

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

116-95

Cage Code:

35301

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

11695

Cage Code:

35301

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3126550

Cage Code:

27462

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

867040

Cage Code:

13841

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

867040

Cage Code:

44185

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

07711

Cage Code:

36024

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

5157704

Cage Code:

72582

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

5UU030

Cage Code:

62265

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

PU10-21-9200

Cage Code:

81996

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

1B7191

Cage Code:

95201

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

867040

Cage Code:

12603

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

BB17815

Cage Code:

56442

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

DT7815

Cage Code:

56442

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

11770BS

Cage Code:

28265

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

DTBB17815

Cage Code:

56442

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

158A

Cage Code:

73470

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

X23622

Cage Code:

80033

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

854745

Cage Code:

12603

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

9109C

Cage Code:

12603

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

855862

Cage Code:

12204

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

856537

Cage Code:

12204

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

860681

Cage Code:

12204

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

867040

Cage Code:

12204

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

955622

Cage Code:

12204

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3126550

Cage Code:

24617

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

5157704

Cage Code:

24617

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

9109C

Cage Code:

89749

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

867040

Cage Code:

77237

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

We Guarantee with Every Order

100% Genuine Manufacturers Parts
Every Product thoroughly Inspected
Sales Record Retention of 7 years
Fast Delivery
HAZMAT Certified
Global Shipping

Pricing & Availability

Submit this form for current pricing and availability quote on part number 2e78 and/or cross reference parts.

Catalog Drilldown
--- Instruments And Laboratory Equipment
------ Humidity Measuring And Controlling Instruments Temperature Pressure
--------- Flow Control Thermostats
------------ P/N 2E78

Best-Selling Products A collection of our most popular products

09205105-01 Cable Assembly
NSN 6150-01-608-4627
N100568-01 Microphone Boom
NSN 5965-01-629-4663
HF300 Electron Tube
NSN 5960-00-188-8648
AE84508U Spark Plug Adapter
NSN 2925-01-380-0869
VS163 Nonrechargeable Battery
NSN 6135-00-998-5884
SM-D-806410-1 Bico Eyepiece Assembly
NSN 5855-00-149-0766
R002021662 Relay Armature
NSN 5945-00-354-2831
802E28-1009A Centrifugal Impeller
NSN 4140-00-523-9058
83552 Electrical Special Purpose Cable
NSN 6145-01-284-9799
ETN2750WITHETN2733 Circuit Breaker
NSN 5925-00-100-0102
MA Permanent Magnet Loudspeaker
NSN 5965-01-418-1760
18109 Element
NSN 6320-01-087-7961

Last Updated: 07/11/2025