PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28158Diaphragm Assembly

Bellofram Corp Diaphragm Div · NSN 1650-00-592-9457 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-592-9457 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-592-9457. Primary manufacturer part number: 28158.
Features
  • Diaphragm Assembly — FSC 1650
  • 3 verified cross-references
  • Primary manufacturer: Bellofram Corp Diaphragm Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diaphragm Assembly, cataloged under National Stock Number 1650-00-592-9457, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Bellofram Corp Diaphragm Div. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDiaphragm Assembly
FSC / FSG1650 — No Item Name Available (FSG 16)
ManufacturersBellofram Corp Diaphragm Div (CAGE 61020); Defense & Development Enterprises Llc (CAGE 07KQ5); Triumph Thermal Systems - Maryland, Inc. (CAGE 01359)
Technical Specifications
ParameterValue
NSN1650-00-592-9457
Primary Part Number28158
Item NameDiaphragm Assembly
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerBellofram Corp Diaphragm Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-043-37500912064-3 INTERCHANGEABLE
Nut,tube Coupling
Agco Corp Parts Opn
3110-00-100-356028158 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5340-01-420-990228158 INTERCHANGEABLE
Handle,manual Control
Spx Fluid Power
Cross-Reference Index
Part NumberManufacturer
28158 Bellofram Corp Diaphragm Div (USA)
28158 Defense & Development Enterprises Llc (USA)
28158 Triumph Thermal Systems - Maryland, Inc. (USA)
Related Parts
4730-00-043-3750INTERCHANGEABLE
NUT,TUBE COUPLING
0912064-3
3110-00-100-3560INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
28158
5340-01-420-9902INTERCHANGEABLE
HANDLE,MANUAL CONTROL
28158

Frequently Asked Questions

What is NSN 1650-00-592-9457?

NSN 1650-00-592-9457 is a Diaphragm Assembly, manufactured by Bellofram Corp Diaphragm Div, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-592-9457?

NSN 1650-00-592-9457 has 3 cross-referenced part numbers: 28158 (Bellofram Corp Diaphragm Div), 28158 (Defense & Development Enterprises Llc), 28158 (Triumph Thermal Systems - Maryland, Inc.).

What NSN replaces 1650-00-592-9457?

There are 3 known substitutes for 1650-00-592-9457: 4730-00-043-3750, 3110-00-100-3560, 5340-01-420-9902. Verify interchangeability with system specifications before substitution.

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