PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203-752Diaphragm Assembly

Graco Inc. · NSN 4930-00-691-8176 · FSC 4930 · No Item Name Available
Verified by PartsTable
NSN 4930-00-691-8176 — this item is cataloged by the U.S. Government under National Stock Number 4930-00-691-8176. Primary manufacturer part number: 203-752.
Features
  • Diaphragm Assembly — FSC 4930
  • General Characteristics Item Description: CONSISTS OF DIAPHRAGM,PLATE AND RETAINER RIVETED TOGETHER
  • 1 verified cross-reference
  • Primary manufacturer: Graco Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Diaphragm Assembly, cataloged under National Stock Number 4930-00-691-8176, is classified within Federal Supply Class 4930 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Graco Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4930-00-691-8176
Primary Part Number203-752
Item NameDiaphragm Assembly
FSC / FSG4930 / 49 — No Item Name Available
ManufacturerGraco Inc.
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF DIAPHRAGM,PLATE AND RETAINER RIVETED TOGETHER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-01-029-45581110615 INTERCHANGEABLE
Semiconductor Device,diode
Compaq Federal Llc
3010-01-081-97162-03752 INTERCHANGEABLE
Disk,clutch,nonvehicular
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
Cross-Reference Index
Part NumberManufacturer
203-752 PRIMARY Graco Inc. (USA)
Related Parts
5961-01-029-4558INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1110615
3010-01-081-9716INTERCHANGEABLE
DISK,CLUTCH,NONVEHICULAR
2-03752

Frequently Asked Questions

What is NSN 4930-00-691-8176?

NSN 4930-00-691-8176 is a Diaphragm Assembly, manufactured by Graco Inc., classified under FSC 4930 (No Item Name Available). Status: active.

What are the part numbers for NSN 4930-00-691-8176?

NSN 4930-00-691-8176 has 1 cross-referenced part number: 203-752 (Graco Inc.).

What NSN replaces 4930-00-691-8176?

There are 2 known substitutes for 4930-00-691-8176: 5961-01-029-4558, 3010-01-081-9716. Verify interchangeability with system specifications before substitution.

What are the specifications of 203-752?

Key specifications for 203-752: General Characteristics Item Description: CONSISTS OF DIAPHRAGM,PLATE AND RETAINER RIVETED TOGETHER; End Item Identification: GRACO CORP. AIR REGULATOR NO.203-750. 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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