PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49A3819Nut,plain,wing

Department of the Air Force · NSN 5310-00-329-8943 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-329-8943 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-329-8943. Primary manufacturer part number: 49A3819.
Features
  • Nut,plain,wing — FSC 5310
  • Wing Spread Width: 3.688 INCHES NOMINAL IN
  • Nut Counterbore Depth: 0.250 INCHES NOMINAL NUT IN
  • Nominal Thread Size: 1.875 INCHES IN
  • Body Diameter: 2.188 INCHES NOMINAL IN
  • Nut Style: WING
  • Material Document and Classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Counterbore Diameter: 1.625 INCHES NOMINAL NUT IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 857 Overall construction
General Description

The Nut,plain,wing, cataloged under National Stock Number 5310-00-329-8943, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Department of the Air Force. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-329-8943
Primary Part Number49A3819
Item NameNut,plain,wing
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusCANCELLED
Wing Spread Width3.688 INCHES NOMINAL IN
Nut Counterbore Depth0.250 INCHES NOMINAL NUT IN
Nominal Thread Size1.875 INCHES IN
Body Diameter2.188 INCHES NOMINAL IN
Nut StyleWING
Material Document and ClassificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Counterbore Diameter1.625 INCHES NOMINAL NUT IN
Thread SeriesUNS
Thread Pitch Diameters+1.7500 TO 1.7735 INCHES IN
Thread DirectionRIGHT-HAND
MaterialCOPPER ALLOY 857 OVERALL
Fabrication MethodCAST
Thread Quantity Per Inch4
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2815-00-175-66079219 INTERCHANGEABLE
Flange,compression,relief
Cummins Inc.
4710-00-246-39345001563 INTERCHANGEABLE
Tube Assembly,metal
Hyster-Yale Group, Inc. Dba Yale Materials Handling
2010-00-363-1601JS533-5C INTERCHANGEABLE
Lever,cam
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
2530-00-495-8849F9219 INTERCHANGEABLE
Cylinder Assy,maste
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
6145-00-504-1015 INTERCHANGEABLE
Cable,power,electrical
3120-00-517-9041 INTERCHANGEABLE
Bearing,sleeve
5945-00-601-2097613329-3 INTERCHANGEABLE
Relay,electromagnetic
Lockheed Martin Corp
3040-00-793-1708 INTERCHANGEABLE
Nut,coupling,flexible Casing
5950-01-084-1731 INTERCHANGEABLE
Coil,radio Frequency
5962-01-215-6107 INTERCHANGEABLE
Microcircuit,linear
Cross-Reference Index
Part NumberManufacturer
49A3819 Department of the Air Force (USA)
500156-3 Metadure Parts & Sales, Inc. (USA)
49A3819 Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) (USA)
49A3819 Army Air Force Drawings Under Custodianship of the Air Force
92-19 Marshall Excelsior Co (USA)
Related Parts
2815-00-175-6607INTERCHANGEABLE
FLANGE,COMPRESSION,RELIEF
9219
4710-00-246-3934INTERCHANGEABLE
TUBE ASSEMBLY,METAL
5001563
2010-00-363-1601INTERCHANGEABLE
LEVER,CAM
JS533-5C
2530-00-495-8849INTERCHANGEABLE
CYLINDER ASSY,MASTE
F9219
6145-00-504-1015INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
3120-00-517-9041INTERCHANGEABLE
BEARING,SLEEVE
5945-00-601-2097INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
613329-3
3040-00-793-1708INTERCHANGEABLE
NUT,COUPLING,FLEXIBLE CASING
5950-01-084-1731INTERCHANGEABLE
COIL,RADIO FREQUENCY
5962-01-215-6107INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5120-01-309-2053INTERCHANGEABLE
PULLER,TURBINE WHEEL
9219
5999-01-386-6410INTERCHANGEABLE
DELAY LINE
7920412-00

Frequently Asked Questions

What is NSN 5310-00-329-8943?

NSN 5310-00-329-8943 is a Nut,plain,wing, manufactured by Department of the Air Force, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-329-8943?

NSN 5310-00-329-8943 has 5 cross-referenced part numbers: 49A3819 (Department of the Air Force), 500156-3 (Metadure Parts & Sales, Inc.), 49A3819 (Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)), 49A3819 (Army Air Force Drawings Under Custodianship of the Air Force), 92-19 (Marshall Excelsior Co).

What NSN replaces 5310-00-329-8943?

There are 12 known substitutes for 5310-00-329-8943: 2815-00-175-6607, 4710-00-246-3934, 2010-00-363-1601 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49A3819?

Key specifications for 49A3819: Overall Height: 1.000 INCHES NOMINAL IN; Wing Spread Width: 3.688 INCHES NOMINAL IN; Nut Counterbore Depth: 0.250 INCHES NOMINAL NUT IN; Nominal Thread Size: 1.875 INCHES IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-329-8943 still in active supply?

NSN 5310-00-329-8943 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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