PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

192250Nut,plain,castellated,hexagon

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-208-4779 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-208-4779 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-208-4779. Primary manufacturer part number: 192250.
Features
  • Nut,plain,castellated,hexagon — FSC 5310
  • Nut Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
  • Nut Style: CASTELLATED, HEXAGON
  • Material: STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL
  • Nominal Thread Size: 0.190 INCHES IN
  • Material Document and Classification: AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Width Across Flats: 0.368 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 or Steel Comp 303SE or Steel Comp 303 Plus X Overall construction
General Description

The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-208-4779, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Active.

Technical Specifications
ParameterValue
NSN5310-00-208-4779
Primary Part Number192250
Item NameNut,plain,castellated,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Nut Height0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Nut StyleCASTELLATED, HEXAGON
MaterialSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL
Nominal Thread Size0.190 INCHES IN
Material Document and ClassificationAMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL
Width Across Flats0.368 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class3B
Bearing Surface TypeWASHER FACED
Thread SeriesUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-278-9095NAS1924-24 INTERCHANGEABLE
Clamp,hose
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5640-01-674-5737DGS01238 INTERCHANGEABLE
Insulation Sleeving,thermal
Armacell Llc
Cross-Reference Index
Part NumberManufacturer
192250 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
192250 Cooper Industries Inc Cooper Petroleum Equipment Div Sunnyvale Operation (USA)
192250 The Slabe Machine Products Llc (USA)
Related Parts
4730-00-278-9095INTERCHANGEABLE
CLAMP,HOSE
NAS1924-24
5640-01-674-5737INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
DGS01238

Frequently Asked Questions

What is NSN 5310-00-208-4779?

NSN 5310-00-208-4779 is a Nut,plain,castellated,hexagon, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-208-4779?

NSN 5310-00-208-4779 has 3 cross-referenced part numbers: 192250 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 192250 (Cooper Industries Inc Cooper Petroleum Equipment Div Sunnyvale Operation), 192250 (The Slabe Machine Products Llc).

What NSN replaces 5310-00-208-4779?

There are 2 known substitutes for 5310-00-208-4779: 4730-00-278-9095, 5640-01-674-5737. Verify interchangeability with system specifications before substitution.

What are the specifications of 192250?

Key specifications for 192250: Nut Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Thread Quantity Per Inch: 32; Nut Style: CASTELLATED, HEXAGON; Material: STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL. 11 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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