PartsTable TECHNICAL DATA SHEET
NSN 4940-01-683-3626Government record, cited

Leak Detector, Refrigerant Gas4940-01-683-3626

NSN 4940-01-683-3626 · NIIN 016833626 · Part number 53010-AUT
Mastercool Inc · FSC 4940 — Miscellaneous Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 4YH84
Government record, cited
NSN 4940-01-683-3626 — this item is cataloged by the U.S. Government under National Stock Number 4940-01-683-3626. Manufacturer of record part number: 53010-AUT.
Also searched as  4940-01-683-3626 · 4940016833626 · NIIN 016833626 · 01-683-3626 · FSC 4940 Miscellaneous Maintenance and Repair Shop Specialized Equipment · CAGE 4YH84 · 53010-AUT
Nearby stock numbers  ·
Features
  • Leak Detector,refrigerant Gas — FSC 4940
  • 1 manufacturer part number on file
  • Manufacturer of record: Mastercool Inc
Identification
  • NSN: 4940-01-683-3626
  • NIIN: 016833626
  • FSC: 4940 — Miscellaneous Maintenance and Repair Shop Specialized Equipment
  • FSG: 49 — Maintenance and Repair Shop Equipment
  • Primary part number: 53010-AUT
  • Manufacturer: Mastercool Inc
General Description

The Leak Detector,refrigerant Gas, cataloged under National Stock Number 4940-01-683-3626, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Mastercool Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4940-01-683-3626
Primary Part Number53010-AUT
Item NameLeak Detector,refrigerant Gas
FSC / FSG4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment
ManufacturerMastercool Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
53010-AUT PRIMARY Mastercool Inc (USA)
No interchangeability data on file.
Other items in FSC 4940 — Miscellaneous Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4940-00-001-1283
4940-00-001-1283 · Item name not on file
4940-00-001-1286
4940-00-001-1286 · Item name not on file
4940-00-001-5394
4940-00-001-5394 · Item name not on file
4940-00-001-6355
4940-00-001-6355 · Item name not on file
4940-00-001-9583
DEGREASER
4940-00-003-1045
4940-00-003-1045 · Item name not on file
4940-00-003-1047
4940-00-003-1047 · Item name not on file
4940-00-003-1050
4940-00-003-1050 · Item name not on file

Frequently Asked Questions

What is NSN 4940-01-683-3626?

NSN 4940-01-683-3626 is a Leak Detector,refrigerant Gas, manufactured by Mastercool Inc, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.

What part numbers are listed for NSN 4940-01-683-3626?

NSN 4940-01-683-3626 has 1 manufacturer part number on file: 53010-AUT (Mastercool Inc).

What are the specifications of 53010-AUT?

Key specifications for 53010-AUT: Special Features: HIGH SIDE STANDARD ECONOMY COUPLER 1; HIGH SIDE MANUAL COUPLER 1; STRAIGHT ADAPTER SWIVEL F 1; LEAK TESTING ADPATER 1; LOWPRESSURE REGULATOR GAUGE 1; HIGH PRESSURE REGULATOR GAUGE 1; YELLOW CHARGING HOSE 1; BLACK GAUGE GUARD 1; WASHER 1; Part Name Assigned by Controlling Agency: AUTOMOTIVE PRESSURE TESTING REGULATOR KIT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4940-01-683-3626 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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