PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

503883Nut,self-Locking,plate

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-163-1920 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-163-1920 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-163-1920. Primary manufacturer part number: 503883.
Features
  • Nut,self-Locking,plate — FSC 5310
  • Plate Thickness: 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
  • Nut Height: 0.138 INCHES MAXIMUM IN
  • Hardness Rating: 29.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
  • Nominal Thread Size: 0.138 INCHES IN
  • Thread Series: UNJC
  • Thread Quantity Per Inch: 32
  • Surface Treatment: CADMIUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1042 Overall construction
General Description

The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-163-1920, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-163-1920
Primary Part Number503883
Item NameNut,self-Locking,plate
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Plate Thickness0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
Nut Height0.138 INCHES MAXIMUM IN
Hardness Rating29.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
Nominal Thread Size0.138 INCHES IN
Thread SeriesUNJC
Thread Quantity Per Inch32
Surface TreatmentCADMIUM OVERALL
Nut Length0.416 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1042 OVERALL
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Nut StylePLATE
Countersink Angle85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Plate Width0.216 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class3B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5305-00-050-3882 INTERCHANGEABLE
Setscrew
5331-00-807-405350388-3 INTERCHANGEABLE
O-Ring
Triumph Thermal Systems - Maryland, Inc.
Cross-Reference Index
Part NumberManufacturer
503883 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
D52LHA7438S62 Harvard Industries Inc (USA)
62411-632 Sps Technologies, Llc Dba PB Fasteners (USA)
503882 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5305-00-050-3882INTERCHANGEABLE
SETSCREW
5331-00-807-4053INTERCHANGEABLE
O-RING
50388-3

Frequently Asked Questions

What is NSN 5310-00-163-1920?

NSN 5310-00-163-1920 is a Nut,self-Locking,plate, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-163-1920?

NSN 5310-00-163-1920 has 4 cross-referenced part numbers: 503883 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), D52LHA7438S62 (Harvard Industries Inc), 62411-632 (Sps Technologies, Llc Dba PB Fasteners), 503882 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5310-00-163-1920?

There are 2 known substitutes for 5310-00-163-1920: 5305-00-050-3882, 5331-00-807-4053. Verify interchangeability with system specifications before substitution.

What are the specifications of 503883?

Key specifications for 503883: Plate Thickness: 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN; Nut Height: 0.138 INCHES MAXIMUM IN; Hardness Rating: 29.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM; Nominal Thread Size: 0.138 INCHES IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-163-1920 still in active supply?

NSN 5310-00-163-1920 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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