PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

75243Screw,externally Relieved Body

Triumph Engine Control Systems Llc · NSN 5305-00-977-1052 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-977-1052 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-977-1052. Primary manufacturer part number: 75243.
Features
  • Screw,externally Relieved Body — FSC 5305
  • 3 verified cross-references
  • Primary manufacturer: Triumph Engine Control Systems Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-977-1052, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-977-1052
Primary Part Number75243
Item NameScrew,externally Relieved Body
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3120-00-408-8666N48550 INTERCHANGEABLE
Bushing,sleeve
Leslie Controls, Inc. Dba Leslie Controls Inc
6625-00-465-6852 INTERCHANGEABLE
Probe,test
2540-01-157-29912027510 INTERCHANGEABLE
Handle,door,vehicular
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
75243 PRIMARY Triumph Engine Control Systems Llc (USA)
75243 Goodrich Control Systems Gmbh (DEU)
48550 Triumph Engine Control Systems Llc (USA)
Related Parts
3120-00-408-8666INTERCHANGEABLE
BUSHING,SLEEVE
N48550
6625-00-465-6852INTERCHANGEABLE
PROBE,TEST
2540-01-157-2991INTERCHANGEABLE
HANDLE,DOOR,VEHICULAR
2027510

Frequently Asked Questions

What is NSN 5305-00-977-1052?

NSN 5305-00-977-1052 is a Screw,externally Relieved Body, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-977-1052?

NSN 5305-00-977-1052 has 3 cross-referenced part numbers: 75243 (Triumph Engine Control Systems Llc), 75243 (Goodrich Control Systems Gmbh), 48550 (Triumph Engine Control Systems Llc).

What NSN replaces 5305-00-977-1052?

There are 3 known substitutes for 5305-00-977-1052: 3120-00-408-8666, 6625-00-465-6852, 2540-01-157-2991. Verify interchangeability with system specifications before substitution.

What are the specifications of 75243?

Key specifications for 75243: End Item Identification: T-53 SERIES ENGINE. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-977-1052 still in active supply?

NSN 5305-00-977-1052 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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