PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-419Nut,plain,hexagon

Horizon Aerospace Llc Dba Magnetics Division · NSN 5310-00-275-1746 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-275-1746 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-275-1746. Primary manufacturer part number: 21-419.
Features
  • Nut,plain,hexagon — FSC 5310
  • Material: STEEL COMP 303 OVERALL
  • Nominal Thread Size: 0.099 INCHES IN
  • Thread Quantity Per Inch: 56
  • Thread Series: UNF
  • Width Across Flats: 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
  • Nut Height: 0.327 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN
  • Nut Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-275-1746, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Horizon Aerospace Llc Dba Magnetics Division. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-275-1746
Primary Part Number21-419
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHorizon Aerospace Llc Dba Magnetics Division
StatusCANCELLED
MaterialSTEEL COMP 303 OVERALL
Nominal Thread Size0.099 INCHES IN
Thread Quantity Per Inch56
Thread SeriesUNF
Width Across Flats0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
Nut Height0.327 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Class2B
Countersink Angle110.0 DEGREES NOMINAL NUT
Bearing Surface TypeCHAMFERED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
1660-00-491-1081 INTERCHANGEABLE
Tag Assembly
2805-00-615-8154200327 INTERCHANGEABLE
Lock,valve Spring Retainer
Renk America Llc Div Renk America
2520-00-769-7608113373D INTERCHANGEABLE
Cap,dust,propeller Shaft
Am General Llc
5935-01-054-3855M-4513 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5945-01-100-051221-419 INTERCHANGEABLE
Relay,solid State
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
21-419 PRIMARY Horizon Aerospace Llc Dba Magnetics Division (USA)
Related Parts
1660-00-491-1081INTERCHANGEABLE
TAG ASSEMBLY
2805-00-615-8154INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
200327
2520-00-769-7608INTERCHANGEABLE
CAP,DUST,PROPELLER SHAFT
113373D
5935-01-054-3855INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
M-4513
5945-01-100-0512INTERCHANGEABLE
RELAY,SOLID STATE
21-419

Frequently Asked Questions

What is NSN 5310-00-275-1746?

NSN 5310-00-275-1746 is a Nut,plain,hexagon, manufactured by Horizon Aerospace Llc Dba Magnetics Division, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-275-1746?

NSN 5310-00-275-1746 has 1 cross-referenced part number: 21-419 (Horizon Aerospace Llc Dba Magnetics Division).

What NSN replaces 5310-00-275-1746?

There are 5 known substitutes for 5310-00-275-1746: 1660-00-491-1081, 2805-00-615-8154, 2520-00-769-7608 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-419?

Key specifications for 21-419: Material: STEEL COMP 303 OVERALL; Nominal Thread Size: 0.099 INCHES IN; Thread Quantity Per Inch: 56; Thread Series: UNF. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-275-1746 still in active supply?

NSN 5310-00-275-1746 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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