PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74178ATest Bench,pop Valve

Air Products & Chemicals, Inc · NSN 4940-00-991-1034 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-991-1034 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-991-1034. Primary manufacturer part number: 74178A.
Features
  • Test Bench,pop Valve — FSC 4940
  • General Characteristics Item Description: FOR TESTING AIR COMPRESSOR COMPONENTS AT PRESSURES UP TO 6000 PSIG;C/O 34 IN. H,34 IN. W,72 IN. LG BENCH W/2 METAL DRAWERS,VISE,WATER TANK,SAFETY SHIELD,PNEUMATIC AMPLIFIER,GAS REGULATOR,GAS CYLINDER,FILTER,TEST GAGES,GAS SUPPLY LINE,HOSES,TEST BLOCKS W/ADAPTERS IN
  • 2 verified cross-references
  • Primary manufacturer: Air Products & Chemicals, Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Test Bench,pop Valve, cataloged under National Stock Number 4940-00-991-1034, 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 Air Products & Chemicals, Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4940-00-991-1034
Primary Part Number74178A
Item NameTest Bench,pop Valve
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerAir Products & Chemicals, Inc
StatusACTIVE
General Characteristics Item DescriptionFOR TESTING AIR COMPRESSOR COMPONENTS AT PRESSURES UP TO 6000 PSIG;C/O 34 IN. H,34 IN. W,72 IN. LG BENCH W/2 METAL DRAWERS,VISE,WATER TANK,SAFETY SHIELD,PNEUMATIC AMPLIFIER,GAS REGULATOR,GAS CYLINDER,FILTER,TEST GAGES,GAS SUPPLY LINE,HOSES,TEST BLOCKS W/ADAPTERS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4940-00-162-09022394A04 INTERCHANGEABLE
Test Bench,pop Valve
Srm Mfg. Co., Llc Dba Srm Mfg Co
4940-00-406-8113 INTERCHANGEABLE
Test Bench,pop Valve
4940-00-771-69993231-47-1 INTERCHANGEABLE
Test Bench,pop Valve
King Nutronics Corporation Dba King Nutronics
4940-01-043-9193 INTERCHANGEABLE
Test Bench,pop Valve
Cross-Reference Index
Part NumberManufacturer
MIL-P-45859 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
74178A PRIMARY Air Products & Chemicals, Inc (USA)
Related Parts
4940-00-162-0902INTERCHANGEABLE
TEST BENCH,POP VALVE
2394A04
4940-00-406-8113INTERCHANGEABLE
TEST BENCH,POP VALVE
4940-00-771-6999INTERCHANGEABLE
TEST BENCH,POP VALVE
3231-47-1
4940-01-043-9193INTERCHANGEABLE
TEST BENCH,POP VALVE

Frequently Asked Questions

What is NSN 4940-00-991-1034?

NSN 4940-00-991-1034 is a Test Bench,pop Valve, manufactured by Air Products & Chemicals, Inc, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-991-1034?

NSN 4940-00-991-1034 has 2 cross-referenced part numbers: MIL-P-45859 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 74178A (Air Products & Chemicals, Inc).

What NSN replaces 4940-00-991-1034?

There are 4 known substitutes for 4940-00-991-1034: 4940-00-162-0902, 4940-00-406-8113, 4940-00-771-6999 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 74178A?

Key specifications for 74178A: General Characteristics Item Description: FOR TESTING AIR COMPRESSOR COMPONENTS AT PRESSURES UP TO 6000 PSIG;C/O 34 IN. H,34 IN. W,72 IN. LG BENCH W/2 METAL DRAWERS,VISE,WATER TANK,SAFETY SHIELD,PNEUMATIC AMPLIFIER,GAS REGULATOR,GAS CYLINDER,FILTER,TEST GAGES,GAS SUPPLY LINE,HOSES,TEST BLOCKS W/ADAPTERS IN; Part Name Assigned by Controlling Agency: TEST BENCH, POP VALVE. 2 total characteristics are documented in the Federal Logistics Information System.

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