PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M-552Flange,exhaust Pipe

Gardner Denver Inc. · NSN 2990-00-012-2557 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-012-2557 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-012-2557. Primary manufacturer part number: M-552.
Features
  • Flange,exhaust Pipe — FSC 2990
  • Flange Shape: ROUND
  • Flange Diameter: 1.375 INCHES NOMINAL IN
  • Flange Thickness: 0.750 INCHES NOMINAL IN
  • Material: STEEL
  • 2 verified cross-references
  • Primary manufacturer: Gardner Denver Inc.
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel construction
General Description

The Flange,exhaust Pipe, cataloged under National Stock Number 2990-00-012-2557, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Gardner Denver Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2990-00-012-2557
Primary Part NumberM-552
Item NameFlange,exhaust Pipe
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerGardner Denver Inc.
StatusCANCELLED
Flange ShapeROUND
Flange Diameter1.375 INCHES NOMINAL IN
Flange Thickness0.750 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5330-00-154-8328M552 INTERCHANGEABLE
Seal,plain Encased
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
6105-00-308-9032 INTERCHANGEABLE
Winding,motor Field
5930-00-396-6111M552 INTERCHANGEABLE
Switch,rotary
Cole Hersee Company
5895-01-052-1342M552 INTERCHANGEABLE
Filter Driver
Omniyig, Inc.
5950-01-330-6646M552 INTERCHANGEABLE
Reactor
Payne Magnetics, Inc.
1240-01-485-0441M552 INTERCHANGEABLE
Sight,holographic
L3 Technologies, Inc. Dba Insight Technology Div Integrated Vision Solutions
5977-01-575-8682 INTERCHANGEABLE
Parts Kit,electrical Contact Bru
5331-01-688-6912M5-52 INTERCHANGEABLE
O-Ring
Headhunter Inc
Cross-Reference Index
Part NumberManufacturer
M-552 Gardner Denver Inc. (USA)
MA-1 Gardner Denver Inc. (USA)
Related Parts
5330-00-154-8328INTERCHANGEABLE
SEAL,PLAIN ENCASED
M552
6105-00-308-9032INTERCHANGEABLE
WINDING,MOTOR FIELD
5930-00-396-6111INTERCHANGEABLE
SWITCH,ROTARY
M552
5895-01-052-1342INTERCHANGEABLE
FILTER DRIVER
M552
5950-01-330-6646INTERCHANGEABLE
REACTOR
M552
1240-01-485-0441INTERCHANGEABLE
SIGHT,HOLOGRAPHIC
M552
5977-01-575-8682INTERCHANGEABLE
PARTS KIT,ELECTRICAL CONTACT BRU
5331-01-688-6912INTERCHANGEABLE
O-RING
M5-52

Frequently Asked Questions

What is NSN 2990-00-012-2557?

NSN 2990-00-012-2557 is a Flange,exhaust Pipe, manufactured by Gardner Denver Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-012-2557?

NSN 2990-00-012-2557 has 2 cross-referenced part numbers: M-552 (Gardner Denver Inc.), MA-1 (Gardner Denver Inc.).

What NSN replaces 2990-00-012-2557?

There are 8 known substitutes for 2990-00-012-2557: 5330-00-154-8328, 6105-00-308-9032, 5930-00-396-6111 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M-552?

Key specifications for M-552: Flange Shape: ROUND; Flange Diameter: 1.375 INCHES NOMINAL IN; Flange Thickness: 0.750 INCHES NOMINAL IN; Material: STEEL. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-012-2557 still in active supply?

NSN 2990-00-012-2557 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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