PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4139Diaphragm,air

Mintex International Corp · NSN 4940-00-057-2428 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-057-2428 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-057-2428. Primary manufacturer part number: 4139.
Features
  • Diaphragm,air — FSC 4940
  • 1 verified cross-reference
  • Primary manufacturer: Mintex International Corp
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Diaphragm,air, cataloged under National Stock Number 4940-00-057-2428, 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 Mintex International Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDiaphragm,air
FSC / FSG4940 — No Item Name Available (FSG 49)
ManufacturersMintex International Corp (CAGE 78393)
Technical Specifications
ParameterValue
NSN4940-00-057-2428
Primary Part Number4139
Item NameDiaphragm,air
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerMintex International Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-054-6865 INTERCHANGEABLE
Packing,preformed
5330-00-119-93294139 INTERCHANGEABLE
Packing,preformed
Thomas Electronics, Inc. Dba Thomas Electronics of New York Incorporated
4820-00-213-0181010.302.0075 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5305-00-263-9164AN565D6L3 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-349-81804139 INTERCHANGEABLE
Screw,intermediate
Wakmann Watch Company Inc
4730-01-005-49134139 INTERCHANGEABLE
Coupling Half,quick Disconnect
Elliott Machine Works Inc
6625-01-014-4971D4468 INTERCHANGEABLE
Meter,multiple Scale
Electro-Metrics Corporation Dba Electro-Metrics
4920-01-351-84514145 INTERCHANGEABLE
Test Set Subassembly,aircraft Co
Electro Optical Industries Inc
3990-01-390-462115MTC-1/1560 INTERCHANGEABLE
Binder,load
Peck & Hale, Llc
5315-01-579-82514139 INTERCHANGEABLE
Tack
Amtak Fasteners
Cross-Reference Index
Part NumberManufacturer
4139 Mintex International Corp (USA)
Related Parts
5330-00-054-6865INTERCHANGEABLE
PACKING,PREFORMED
5330-00-119-9329INTERCHANGEABLE
PACKING,PREFORMED
4139
4820-00-213-0181INTERCHANGEABLE
SEAT,VALVE
010.302.0075
5305-00-263-9164INTERCHANGEABLE
SETSCREW
AN565D6L3
5305-00-349-8180INTERCHANGEABLE
SCREW,INTERMEDIATE
4139
4730-01-005-4913INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4139
6625-01-014-4971INTERCHANGEABLE
METER,MULTIPLE SCALE
D4468
4920-01-351-8451INTERCHANGEABLE
TEST SET SUBASSEMBLY,AIRCRAFT CO
4145
3990-01-390-4621INTERCHANGEABLE
BINDER,LOAD
15MTC-1/1560
5315-01-579-8251INTERCHANGEABLE
TACK
4139

Frequently Asked Questions

What is NSN 4940-00-057-2428?

NSN 4940-00-057-2428 is a Diaphragm,air, manufactured by Mintex International Corp, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-057-2428?

NSN 4940-00-057-2428 has 1 cross-referenced part number: 4139 (Mintex International Corp).

What NSN replaces 4940-00-057-2428?

There are 10 known substitutes for 4940-00-057-2428: 5330-00-054-6865, 5330-00-119-9329, 4820-00-213-0181 and 7 more. Verify interchangeability with system specifications before substitution.

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