Skip to content

VALVES
FITTINGS
- CUSTOM FITTING BUILDER
- HOSE BARB
- PIPE
- PUSH TO CONNECT
- TUBE / COMPRESSION
  
  Bulkhead
  Cap / Plug
  Elbows
  Straight
  Union
  Tees
  Crosses
- VACUUM
- CAM LOCK
- BRASS
- BSPP or BSPT X NPT
HOSES
TUBING
MEASUREMENT + CALIBRATION
- FITTINGS
- HOSE
- PRESSURE GAUGES
  
  DIGITAL
  ANALOG
- CALIBRATION PUMPS
  
  HYDRAULIC
  PNEUMATIC
- TEMPERATURE GAUGES
  
  DIGITAL
  ANALOG
- COMPRESSED GAS CONTROL
REGULATORS + FILTERS
TOOLS + SUPPLIES
AMETEK CRYSTAL / JOFRA CALIBRATION
- AMETEK CTC SERIES TEMPERATURE CALIBRATORS
- CRYSTAL ENGINEERING DIGITAL PRESURE GAUGES

Facebook

Search

VALVES
FITTINGS
- CUSTOM FITTING BUILDER
- HOSE BARB
- PIPE
- PUSH TO CONNECT
- TUBE / COMPRESSION
  
  Bulkhead
  Cap / Plug
  Elbows
  Straight
  Union
  Tees
  Crosses
- VACUUM
- CAM LOCK
- BRASS
- BSPP or BSPT X NPT
HOSES
TUBING
MEASUREMENT + CALIBRATION
- FITTINGS
- HOSE
- PRESSURE GAUGES
  
  DIGITAL
  ANALOG
- CALIBRATION PUMPS
  
  HYDRAULIC
  PNEUMATIC
- TEMPERATURE GAUGES
  
  DIGITAL
  ANALOG
- COMPRESSED GAS CONTROL
REGULATORS + FILTERS
TOOLS + SUPPLIES
AMETEK CRYSTAL / JOFRA CALIBRATION
- AMETEK CTC SERIES TEMPERATURE CALIBRATORS
- CRYSTAL ENGINEERING DIGITAL PRESURE GAUGES

Search

Item added to your cart

View cart

Collection: Ralston Instruments Calibration Fittings

Shop a wide range of Ralston fittings, stingers, calibration fittings, and instrumentation fittings. Available in sizes from 1/8” to 1/2” in both stainless steel and brass. Enjoy fast shipping and the convenience of same-day pickup!

Filter:

Availability

0 selected

Availability

In stock (24 products)
Out of stock (0 products)

In stock (24 products)
Out of stock (0 products)

Price

The highest price is $1,783.54

$

From

$

To

Brand

0 selected

Brand

RALSTON (24 products)

RALSTON (24 products)

Product type

0 selected

Product type

Fittings (22 products)
MEASUREMENT + CALIBRATION > FITTINGS (2 products)

Fittings (22 products)
MEASUREMENT + CALIBRATION > FITTINGS (2 products)

Material

0 selected

Material

Brass (10 products)
Stainless Steel (14 products)

Brass (10 products)
Stainless Steel (14 products)

Size

0 selected

Size

1/8" (2 products)
1/4" (10 products)
5/16" (2 products)
3/8" (4 products)
1/2" (4 products)

1/8" (2 products)
1/4" (10 products)
5/16" (2 products)
3/8" (4 products)
1/2" (4 products)

Sort by:

24 products

Filter and sort Filter

Filter and sort

Filter

24 products

Availability

In stock (24 products)
Out of stock (0 products)

Clear

Price

The highest price is $1,783.54

$

From

$

To

Clear

Brand

RALSTON (24 products)

Clear

Product type

Fittings (22 products)
MEASUREMENT + CALIBRATION > FITTINGS (2 products)

Clear

Material

Brass (10 products)
Stainless Steel (14 products)

Clear

Size

1/8" (2 products)
1/4" (10 products)
5/16" (2 products)
3/8" (4 products)
1/2" (4 products)

Clear

Sort by:

Remove all

24 products

QTHA-1MB0

QTHA-1MB0

Regular price $13.46 USD

Regular price Sale price $13.46 USD
Unit price per
QTHA-1MS0

QTHA-1MS0

Regular price $26.31 USD

Regular price Sale price $26.31 USD
Unit price per
QTFT-HNS0

QTFT-HNS0

Regular price $72.76 USD

Regular price Sale price $72.76 USD
Unit price per
QTHA-3TS0

QTHA-3TS0

Regular price $73.44 USD

Regular price Sale price $73.44 USD
Unit price per
QTFT-2MB0

QTFT-2MB0

Regular price $24.96 USD

Regular price Sale price $24.96 USD
Unit price per
QTHA-KIT4-SS (Universal Ralston Quick-test hose and adapter kit (20 adapters, 2 hoses)

QTHA-KIT4-SS (Universal Ralston Quick-test hose and adapter kit (20 adapters, 2 hoses)

Regular price $1,783.54 USD

Regular price Sale price $1,783.54 USD
Unit price per
QTHA-KIT4 (Universal Ralston Quick-test hose and adapter kit (20 adapters, 2 hoses)

QTHA-KIT4 (Universal Ralston Quick-test hose and adapter kit (20 adapters, 2 hoses)

Regular price $1,321.18 USD

Regular price Sale price $1,321.18 USD
Unit price per
QTHA-2FS0-QD

QTHA-2FS0-QD

Regular price $70.10 USD

Regular price Sale price $70.10 USD
Unit price per
QTHA-2MS0-QD

QTHA-2MS0-QD

Regular price $78.74 USD

Regular price Sale price $78.74 USD
Unit price per
QTHA-4TB0

QTHA-4TB0

Regular price $30.32 USD

Regular price Sale price $30.32 USD
Unit price per
QTHA-4MB0

QTHA-4MB0

Regular price $24.34 USD

Regular price Sale price $24.34 USD
Unit price per
QTFT-2MS0

QTFT-2MS0

Regular price $43.57 USD

Regular price Sale price $43.57 USD
Unit price per
QTFT-FRS0

QTFT-FRS0

Regular price $68.17 USD

Regular price Sale price $68.17 USD
Unit price per
QTHA-4MS0

QTHA-4MS0

Regular price $47.14 USD

Regular price Sale price $47.14 USD
Unit price per
QTHA-FRS0

QTHA-FRS0

Regular price $49.07 USD

Regular price Sale price $49.07 USD
Unit price per
QTHA-HNS0

QTHA-HNS0

Regular price $53.65 USD

Regular price Sale price $53.65 USD
Unit price per

1
2

Quick links

Home
Search
Contact
Volunteer Industrial
Custom Hose Builder
Custom Fabrication Builder

SBA Certified Woman-Owned Small Business
CAGE: 8VWS3 | DUNS: 096795776
Marie, LLC DBA: Volunteer Industrial Supply

12744 Kingston Pike, Suite 201
Farragut, TN 37934
865-671-0857
sales@volunteerindustrial.com

Facebook
LinkedIn

© 2025, Volunteer Industrial Powered by Shopify

Refund policy
Privacy policy
Terms of service
Shipping policy

Choosing a selection results in a full page refresh.
Opens in a new window.