PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33653Diaphragm

Woodward, Inc. · NSN 2990-01-529-8812 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-529-8812 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-529-8812. Primary manufacturer part number: 33653.
Features
  • Diaphragm — FSC 2990
  • 3 verified cross-references
  • Primary manufacturer: Woodward, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diaphragm, cataloged under National Stock Number 2990-01-529-8812, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Woodward, Inc.. 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.

Technical Specifications
ParameterValue
NSN2990-01-529-8812
Primary Part Number33653
Item NameDiaphragm
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWoodward, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6150-00-358-8167336A530 INTERCHANGEABLE
Lead,electrical
Cummins Power Generation Inc.
5330-00-641-20844251862-1 INTERCHANGEABLE
Seal,plain Encased
Agco Corp Parts Opn
7025-01-555-697833653 INTERCHANGEABLE
Disk Drive Unit
Iomega Corporation
Cross-Reference Index
Part NumberManufacturer
WO-33653 A.w.f. (FRA)
M22033653 Wartsila Italia Spa (ITA)
33653 PRIMARY Woodward, Inc. (USA)
Related Parts
6150-00-358-8167INTERCHANGEABLE
LEAD,ELECTRICAL
336A530
5330-00-641-2084INTERCHANGEABLE
SEAL,PLAIN ENCASED
4251862-1
7025-01-555-6978INTERCHANGEABLE
DISK DRIVE UNIT
33653

Frequently Asked Questions

What is NSN 2990-01-529-8812?

NSN 2990-01-529-8812 is a Diaphragm, manufactured by Woodward, Inc., classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-529-8812?

NSN 2990-01-529-8812 has 3 cross-referenced part numbers: WO-33653 (A.w.f.), M22033653 (Wartsila Italia Spa), 33653 (Woodward, Inc.).

What NSN replaces 2990-01-529-8812?

There are 3 known substitutes for 2990-01-529-8812: 6150-00-358-8167, 5330-00-641-2084, 7025-01-555-6978. Verify interchangeability with system specifications before substitution.

What are the specifications of 33653?

Key specifications for 33653: Part Name Assigned by Controlling Agency: LUBE OIL DIAPHRAGM. 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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