PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55-72Cover,plate

Lockheed Martin Corp · NSN 9905-01-554-3237 · FSC 9905 · No Item Name Available
Verified by PartsTable
NSN 9905-01-554-3237 — this item is cataloged by the U.S. Government under National Stock Number 9905-01-554-3237. Primary manufacturer part number: 55-72.
Features
  • Cover,plate — FSC 9905
  • Functional Description: USED DURING REPAIR/MAINTENANCE ON MAIN LANDING GEAR
  • Reference Data and Literature: T.O. NAVAIR 03-25B-24, FIGURE 5
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cover,plate, cataloged under National Stock Number 9905-01-554-3237, is classified within Federal Supply Class 9905 (No Item Name Available) of the Miscellaneous group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 2 verified specifications, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9905-01-554-3237
Primary Part Number55-72
Item NameCover,plate
FSC / FSG9905 / 99 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Functional DescriptionUSED DURING REPAIR/MAINTENANCE ON MAIN LANDING GEAR
Reference Data and LiteratureT.O. NAVAIR 03-25B-24, FIGURE 5
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-202-7043557-2D INTERCHANGEABLE
Valve,check
Goodrich Corporation Dba Goodrich Corp
5325-00-803-7301 INTERCHANGEABLE
Ring,retaining
5962-01-055-18685572 INTERCHANGEABLE
Microcircuit,linear
Analog Devices, Inc. Div Corporate Headquarters
3120-01-332-00435572 INTERCHANGEABLE
Bearing,washer,thrust
Smatco Industries Inc
5120-01-399-9714 INTERCHANGEABLE
Socket,socket Wrench
9925-01-450-0085 INTERCHANGEABLE
Liner,baptismal,field,immersion
5950-01-491-13895572 INTERCHANGEABLE
Transformer,power
Taiyo Yuden (usa) Inc
Cross-Reference Index
Part NumberManufacturer
55-72 PRIMARY Lockheed Martin Corp (USA)
Related Parts
4820-00-202-7043INTERCHANGEABLE
VALVE,CHECK
557-2D
5325-00-803-7301INTERCHANGEABLE
RING,RETAINING
5962-01-055-1868INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5572
3120-01-332-0043INTERCHANGEABLE
BEARING,WASHER,THRUST
5572
5120-01-399-9714INTERCHANGEABLE
SOCKET,SOCKET WRENCH
9925-01-450-0085INTERCHANGEABLE
LINER,BAPTISMAL,FIELD,IMMERSION
5950-01-491-1389INTERCHANGEABLE
TRANSFORMER,POWER
5572

Frequently Asked Questions

What is NSN 9905-01-554-3237?

NSN 9905-01-554-3237 is a Cover,plate, manufactured by Lockheed Martin Corp, classified under FSC 9905 (No Item Name Available). Status: active.

What are the part numbers for NSN 9905-01-554-3237?

NSN 9905-01-554-3237 has 1 cross-referenced part number: 55-72 (Lockheed Martin Corp).

What NSN replaces 9905-01-554-3237?

There are 7 known substitutes for 9905-01-554-3237: 4820-00-202-7043, 5325-00-803-7301, 5962-01-055-1868 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55-72?

Key specifications for 55-72: Functional Description: USED DURING REPAIR/MAINTENANCE ON MAIN LANDING GEAR; Part Name Assigned by Controlling Agency: COVER, PLATE; End Item Identification: P-3 ORION AIRCRAFT; Reference Data and Literature: T.O. NAVAIR 03-25B-24, FIGURE 5. 4 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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