PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54503Lockplate,coupling

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 2810-00-118-7584 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-00-118-7584 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-118-7584. Primary manufacturer part number: 54503.
Features
  • Lockplate,coupling — FSC 2810
  • Precious Material: SILVER
  • General Characteristics Item Description: MATL STEEL PER AMS 6260; HARDNESS PER ROCKWELL C30 MIN AND C40 MAX; 6.621 IN. MIN AND 6.622 IN. MAX OD; 0.307 IN. MIN AND 0.317 IN. MAX THICK; SPLINED BORE 69 TEETH,4.9286 IN. PITCH DIA; 16 HOLES 0.568 IN. DIA BY 0.237 IN. DEEP,COUNTERBORED 0.656 IN. DIA BY 0.242 IN. DEEP IN
  • Precious Material and Weight: 0.364 SILVER OUNCES, TROY
  • Precious Material and Location: FACES SILVER
  • 2 verified cross-references
  • Primary manufacturer: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lockplate,coupling, cataloged under National Stock Number 2810-00-118-7584, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN2810-00-118-7584
Primary Part Number54503
Item NameLockplate,coupling
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Precious MaterialSILVER
General Characteristics Item DescriptionMATL STEEL PER AMS 6260; HARDNESS PER ROCKWELL C30 MIN AND C40 MAX; 6.621 IN. MIN AND 6.622 IN. MAX OD; 0.307 IN. MIN AND 0.317 IN. MAX THICK; SPLINED BORE 69 TEETH,4.9286 IN. PITCH DIA; 16 HOLES 0.568 IN. DIA BY 0.237 IN. DEEP,COUNTERBORED 0.656 IN. DIA BY 0.242 IN. DEEP IN
Precious Material and Weight0.364 SILVER OUNCES, TROY
Precious Material and LocationFACES SILVER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5136-00-516-411854503 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
6680-01-099-291454503 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
54503 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
54503 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5136-00-516-4118INTERCHANGEABLE
TAP,THREAD CUTTING
54503
6680-01-099-2914INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
54503

Frequently Asked Questions

What is NSN 2810-00-118-7584?

NSN 2810-00-118-7584 is a Lockplate,coupling, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810 (No Item Name Available). Status: active.

What are the part numbers for NSN 2810-00-118-7584?

NSN 2810-00-118-7584 has 2 cross-referenced part numbers: 54503 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 54503 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 2810-00-118-7584?

There are 2 known substitutes for 2810-00-118-7584: 5136-00-516-4118, 6680-01-099-2914. Verify interchangeability with system specifications before substitution.

What are the specifications of 54503?

Key specifications for 54503: Precious Material: SILVER; General Characteristics Item Description: MATL STEEL PER AMS 6260; HARDNESS PER ROCKWELL C30 MIN AND C40 MAX; 6.621 IN. MIN AND 6.622 IN. MAX OD; 0.307 IN. MIN AND 0.317 IN. MAX THICK; SPLINED BORE 69 TEETH,4.9286 IN. PITCH DIA; 16 HOLES 0.568 IN. DIA BY 0.237 IN. DEEP,COUNTERBORED 0.656 IN. DIA BY 0.242 IN. DEEP IN; Precious Material and Weight: 0.364 SILVER OUNCES, TROY; End Item Identification: ACFT ENG R2800. 5 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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