PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

158-7525APlug,tube Repair

Aqua-Chem, Inc. · NSN 4730-00-756-1853 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-756-1853 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-756-1853. Primary manufacturer part number: 158-7525A.
Features
  • Plug,tube Repair — FSC 4730
  • Nominal Overall Length: 2.750 INCHES IN
  • Major Diameter: 0.625 INCHES NOMINAL IN
  • Nominal Outside Diameter Tube Accommodated: 0.625 INCHES IN
  • Minor Diameter: 0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
  • Material: PLASTIC
  • 6 verified cross-references
  • Primary manufacturer: Aqua-Chem, Inc.
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic construction
General Description

The Plug,tube Repair, cataloged under National Stock Number 4730-00-756-1853, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Aqua-Chem, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-756-1853
Primary Part Number158-7525A
Item NamePlug,tube Repair
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAqua-Chem, Inc.
StatusACTIVE
Nominal Overall Length2.750 INCHES IN
Major Diameter0.625 INCHES NOMINAL IN
Nominal Outside Diameter Tube Accommodated0.625 INCHES IN
Minor Diameter0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
MaterialPLASTIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-201-9338 INTERCHANGEABLE
Plug,tube Repair
4730-00-289-0593 INTERCHANGEABLE
Plug,tube Repair
4730-00-289-0595 INTERCHANGEABLE
Plug,tube Repair
4730-00-337-6753 INTERCHANGEABLE
Plug,tube Repair
4730-00-821-0795 INTERCHANGEABLE
Plug,tube Repair
4730-01-029-2857 INTERCHANGEABLE
Plug,tube Repair
Cross-Reference Index
Part NumberManufacturer
158-7525A Aqua-Chem, Inc. (USA)
2-27907PC50 Aqua-Chem, Inc. (USA)
158-7525-000 Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
158-7525A-000 Aqua-Chem, Inc. (USA)
MIL-P-15742 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
158-7525-000 Aqua-Chem, Inc. (USA)
Related Parts
4730-00-201-9338INTERCHANGEABLE
PLUG,TUBE REPAIR
4730-00-289-0593INTERCHANGEABLE
PLUG,TUBE REPAIR
4730-00-289-0595INTERCHANGEABLE
PLUG,TUBE REPAIR
4730-00-337-6753INTERCHANGEABLE
PLUG,TUBE REPAIR
4730-00-821-0795INTERCHANGEABLE
PLUG,TUBE REPAIR
4730-01-029-2857INTERCHANGEABLE
PLUG,TUBE REPAIR

Frequently Asked Questions

What is NSN 4730-00-756-1853?

NSN 4730-00-756-1853 is a Plug,tube Repair, manufactured by Aqua-Chem, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-756-1853?

NSN 4730-00-756-1853 has 6 cross-referenced part numbers: 158-7525A (Aqua-Chem, Inc.), 2-27907PC50 (Aqua-Chem, Inc.), 158-7525-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 158-7525A-000 (Aqua-Chem, Inc.), MIL-P-15742 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 4730-00-756-1853?

There are 6 known substitutes for 4730-00-756-1853: 4730-00-201-9338, 4730-00-289-0593, 4730-00-289-0595 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 158-7525A?

Key specifications for 158-7525A: Nominal Overall Length: 2.750 INCHES IN; Major Diameter: 0.625 INCHES NOMINAL IN; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES IN; Minor Diameter: 0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN. 6 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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