PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4940-5316-0000Detector,leak

Defense Supply Center Richmond Industrial Plant Equipment /dla/ · NSN 4940-00-139-3658 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-139-3658 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-139-3658. Primary manufacturer part number: 4940-5316-0000.
Features
  • Detector,leak — FSC 4940
  • 3 verified cross-references
  • Primary manufacturer: Defense Supply Center Richmond Industrial Plant Equipment /dla/
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Detector,leak, cataloged under National Stock Number 4940-00-139-3658, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Defense Supply Center Richmond Industrial Plant Equipment /dla/. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDetector,leak
FSC / FSG4940 — No Item Name Available (FSG 49)
ManufacturersDefense Supply Center Richmond Industrial Plant Equipment /dla/ (CAGE 99998); Uson Lp. (CAGE 24537)
Technical Specifications
ParameterValue
NSN4940-00-139-3658
Primary Part Number4940-5316-0000
Item NameDetector,leak
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerDefense Supply Center Richmond Industrial Plant Equipment /dla/
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5985-00-519-3779 INTERCHANGEABLE
Converter,frequency,electronic
4940-01-058-7328 INTERCHANGEABLE
Leak Detector,refrigerant Gas
5930-01-172-6437540A-D-3 INTERCHANGEABLE
Switch,pressure
Henry G Dietz Co Inc
5935-01-196-1060 INTERCHANGEABLE
Jack,telephone
6660-01-198-0904540A INTERCHANGEABLE
Mounting,bracket
Reactel, Inc. Dba Reactel Inc
Cross-Reference Index
Part NumberManufacturer
4940-5316-0000 Defense Supply Center Richmond Industrial Plant Equipment /dla/ (USA)
540M0D Uson Lp. (USA)
540A Uson Lp. (USA)
Related Parts
5985-00-519-3779INTERCHANGEABLE
CONVERTER,FREQUENCY,ELECTRONIC
4940-01-058-7328INTERCHANGEABLE
LEAK DETECTOR,REFRIGERANT GAS
5930-01-172-6437INTERCHANGEABLE
SWITCH,PRESSURE
540A-D-3
5935-01-196-1060INTERCHANGEABLE
JACK,TELEPHONE
6660-01-198-0904INTERCHANGEABLE
MOUNTING,BRACKET
540A

Frequently Asked Questions

What is NSN 4940-00-139-3658?

NSN 4940-00-139-3658 is a Detector,leak, manufactured by Defense Supply Center Richmond Industrial Plant Equipment /dla/, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-139-3658?

NSN 4940-00-139-3658 has 3 cross-referenced part numbers: 4940-5316-0000 (Defense Supply Center Richmond Industrial Plant Equipment /dla/), 540M0D (Uson Lp.), 540A (Uson Lp.).

What NSN replaces 4940-00-139-3658?

There are 5 known substitutes for 4940-00-139-3658: 5985-00-519-3779, 4940-01-058-7328, 5930-01-172-6437 and 2 more. Verify interchangeability with system specifications before substitution.

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