PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CF49BLifter,valve Spring

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-00-239-0326 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-239-0326 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-239-0326. Primary manufacturer part number: CF49B.
Features
  • Lifter,valve Spring — FSC 5120
  • Actuation Method: SCREW
  • Lift Mechanism Type: HINGED LEVER
  • 9 verified cross-references
  • Primary manufacturer: Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical energy storage
  • Vibration dampening
General Description

The Lifter,valve Spring, cataloged under National Stock Number 5120-00-239-0326, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-239-0326
Primary Part NumberCF49B
Item NameLifter,valve Spring
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusCANCELLED
Actuation MethodSCREW
Lift Mechanism TypeHINGED LEVER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-087-3552EP4176A INTERCHANGEABLE
Reactor
P C a Electronics Inc
3110-00-198-223115095-22 INTERCHANGEABLE
Cam Follower,needle Bearing
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
5120-00-223-8850 INTERCHANGEABLE
Lifter,valve Spring
5120-00-237-8663 INTERCHANGEABLE
Compressor,valve Spring
5120-00-239-8686 INTERCHANGEABLE
Lifter,valve Spring
7310-00-512-107620115.0000 INTERCHANGEABLE
Filter,coffee Maker
Bunn-O-Matic Corporation Div Government Sales
5120-00-516-4226 INTERCHANGEABLE
Compressor,valve Spring
5120-00-529-2283VSC-1 INTERCHANGEABLE
Lifter,valve Spring
Nestor Sales Llc Dba Aim Supply Co Div Government Sales Division
5905-00-552-3893 INTERCHANGEABLE
Resistor,fixed,film
5905-00-552-3903 INTERCHANGEABLE
Resistor,fixed,film
Cross-Reference Index
Part NumberManufacturer
CF49B PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
EL100 Sunnen Products Co (USA)
GGG-L-350 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
CF12 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
CF49A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
C-482 Spx Corporation Dba O T C Tool & Equip Division Div Spx Corp - Kent-Moore/otc Divisons (USA)
KDT700 PRIMARY Danaher Tool Group K-D Tools Div (USA)
GGG-L-350 TY1CL2STA General Services Administration Federal Supply Service (USA)
CF49A Sna Germany Gmbh (DEU)
Related Parts
5950-00-087-3552INTERCHANGEABLE
REACTOR
EP4176A
3110-00-198-2231INTERCHANGEABLE
CAM FOLLOWER,NEEDLE BEARING
15095-22
5120-00-223-8850INTERCHANGEABLE
LIFTER,VALVE SPRING
5120-00-237-8663INTERCHANGEABLE
COMPRESSOR,VALVE SPRING
5120-00-239-8686INTERCHANGEABLE
LIFTER,VALVE SPRING
7310-00-512-1076INTERCHANGEABLE
FILTER,COFFEE MAKER
20115.0000
5120-00-516-4226INTERCHANGEABLE
COMPRESSOR,VALVE SPRING
5120-00-529-2283INTERCHANGEABLE
LIFTER,VALVE SPRING
VSC-1
5905-00-552-3893INTERCHANGEABLE
RESISTOR,FIXED,FILM
5905-00-552-3903INTERCHANGEABLE
RESISTOR,FIXED,FILM
5120-01-068-4018INTERCHANGEABLE
WRENCH,SPANNER
JC482
6140-01-154-6935INTERCHANGEABLE
BATTERY,STORAGE
VR1.2

Frequently Asked Questions

What is NSN 5120-00-239-0326?

NSN 5120-00-239-0326 is a Lifter,valve Spring, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-239-0326?

NSN 5120-00-239-0326 has 9 cross-referenced part numbers: CF49B (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), EL100 (Sunnen Products Co), GGG-L-350 (Federal Specifications Promulgated by General Services Administration Washington DC), CF12 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), CF49A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc) and 4 more.

What NSN replaces 5120-00-239-0326?

There are 12 known substitutes for 5120-00-239-0326: 5950-00-087-3552, 3110-00-198-2231, 5120-00-223-8850 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CF49B?

Key specifications for CF49B: Actuation Method: SCREW; Lift Mechanism Type: HINGED LEVER; Special Features: FOR MOST L-HEAD CARS WITH STRAIGHT STEM VALVES; 2-3/8 IN. CAPACITY; FOR UP TO 300 LBS OF COIL STRENGTH LBS. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-239-0326 still in active supply?

NSN 5120-00-239-0326 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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