PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H18-1Diaphragm,governor,engine

Waltron Bull & Roberts, Llc · NSN 2990-01-428-6058 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-428-6058 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-428-6058. Primary manufacturer part number: H18-1.
Features
  • Diaphragm,governor,engine — FSC 2990
  • 1 verified cross-reference
  • Primary manufacturer: Waltron Bull & Roberts, Llc
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Diaphragm,governor,engine, cataloged under National Stock Number 2990-01-428-6058, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Waltron Bull & Roberts, Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-428-6058
Primary Part NumberH18-1
Item NameDiaphragm,governor,engine
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWaltron Bull & Roberts, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5999-00-006-5971H181 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Hellermanntyton Limited
5999-00-469-105228682615760 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Ultra Pcs Limited Div Ultra Electronics Precision Air and Land Systems
5305-00-674-8868 INTERCHANGEABLE
Screw,externally Relieved Body
5950-01-018-3073C-181-AH INTERCHANGEABLE
Coil,electrical
Circor Aerospace, Inc. Dba Circor Aerospace Inc
4320-01-181-0215 INTERCHANGEABLE
Diaphragm,impulse
5360-01-334-3444 INTERCHANGEABLE
Spring,helical,extension
7310-01-386-55888923 INTERCHANGEABLE
Decanter,coffee Maker
Bloomfield Industries
Cross-Reference Index
Part NumberManufacturer
H18-1 PRIMARY Waltron Bull & Roberts, Llc (USA)
Related Parts
5999-00-006-5971INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
H181
5999-00-469-1052INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
28682615760
5305-00-674-8868INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
5950-01-018-3073INTERCHANGEABLE
COIL,ELECTRICAL
C-181-AH
4320-01-181-0215INTERCHANGEABLE
DIAPHRAGM,IMPULSE
5360-01-334-3444INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
7310-01-386-5588INTERCHANGEABLE
DECANTER,COFFEE MAKER
8923

Frequently Asked Questions

What is NSN 2990-01-428-6058?

NSN 2990-01-428-6058 is a Diaphragm,governor,engine, manufactured by Waltron Bull & Roberts, Llc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-428-6058?

NSN 2990-01-428-6058 has 1 cross-referenced part number: H18-1 (Waltron Bull & Roberts, Llc).

What NSN replaces 2990-01-428-6058?

There are 7 known substitutes for 2990-01-428-6058: 5999-00-006-5971, 5999-00-469-1052, 5305-00-674-8868 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H18-1?

Key specifications for H18-1: End Item Identification: FORCE PROVIDER. 1 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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