PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LCT-14L/S4-1/2X1(SPCLN)Valve,safety Relief

Kunkle Industries Inc Lonergan Valve Div · NSN 4820-01-244-7637 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-244-7637 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-244-7637. Primary manufacturer part number: LCT-14L/S4-1/2X1(SPCLN).
Features
  • Valve,safety Relief — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Kunkle Industries Inc Lonergan Valve Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-244-7637, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kunkle Industries Inc Lonergan Valve Div. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersKunkle Industries Inc Lonergan Valve Div (CAGE 75954)
Technical Specifications
ParameterValue
NSN4820-01-244-7637
Primary Part NumberLCT-14L/S4-1/2X1(SPCLN)
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKunkle Industries Inc Lonergan Valve Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2920-00-388-3567A3257 INTERCHANGEABLE
Drive,engine,electrical Starter
Purolator Products Co Div Motor Components, Llc
5330-01-195-9832 INTERCHANGEABLE
Gasket
5330-01-195-9833 INTERCHANGEABLE
Gasket
5360-01-216-8865 INTERCHANGEABLE
Spring Assy,valve
4820-01-283-0654 INTERCHANGEABLE
Valve,safety Relief
5310-01-714-7993A-3257 INTERCHANGEABLE
Nut,self-Locking,hexagon
Hartzell Propeller Llc
Cross-Reference Index
Part NumberManufacturer
LCT-14L/S4-1/2X1(SPCLN) Kunkle Industries Inc Lonergan Valve Div (USA)
A-3257-1/2X1IN Kunkle Industries Inc Lonergan Valve Div (USA)
LCT-14/S4-1/2X1 Kunkle Industries Inc Lonergan Valve Div (USA)
A-3257 Kunkle Industries Inc Lonergan Valve Div (USA)
Related Parts
2920-00-388-3567INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
A3257
5330-01-195-9832INTERCHANGEABLE
GASKET
5330-01-195-9833INTERCHANGEABLE
GASKET
5360-01-216-8865INTERCHANGEABLE
SPRING ASSY,VALVE
4820-01-283-0654INTERCHANGEABLE
VALVE,SAFETY RELIEF
5310-01-714-7993INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
A-3257

Frequently Asked Questions

What is NSN 4820-01-244-7637?

NSN 4820-01-244-7637 is a Valve,safety Relief, manufactured by Kunkle Industries Inc Lonergan Valve Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-244-7637?

NSN 4820-01-244-7637 has 4 cross-referenced part numbers: LCT-14L/S4-1/2X1(SPCLN) (Kunkle Industries Inc Lonergan Valve Div), A-3257-1/2X1IN (Kunkle Industries Inc Lonergan Valve Div), LCT-14/S4-1/2X1 (Kunkle Industries Inc Lonergan Valve Div), A-3257 (Kunkle Industries Inc Lonergan Valve Div).

What NSN replaces 4820-01-244-7637?

There are 6 known substitutes for 4820-01-244-7637: 2920-00-388-3567, 5330-01-195-9832, 5330-01-195-9833 and 3 more. Verify interchangeability with system specifications before substitution.

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