PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52516Nut,plain,hexagon

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5310-00-313-7624 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-313-7624 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-313-7624. Primary manufacturer part number: 52516.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Style: HEXAGON
  • Width Across Flats: 0.438 INCHES NOMINAL IN
  • Nut Height: 0.141 INCHES NOMINAL IN
  • Bearing Surface Type: CHAMFERED
  • Nominal Thread Size: 0.312 INCHES IN
  • Thread Quantity Per Inch: 24
  • Thread Series: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 360 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-313-7624, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 13 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-313-7624
Primary Part Number52516
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusCANCELLED
Nut StyleHEXAGON
Width Across Flats0.438 INCHES NOMINAL IN
Nut Height0.141 INCHES NOMINAL IN
Bearing Surface TypeCHAMFERED
Nominal Thread Size0.312 INCHES IN
Thread Quantity Per Inch24
Thread SeriesUNF
Thread Class3B
Thread DirectionRIGHT-HAND
Surface TreatmentSILVER OVERALL
Precious MaterialSILVER
MaterialCOPPER ALLOY 360 OVERALL
Material Document and ClassificationQQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3455-00-224-366059-10016 INTERCHANGEABLE
Cutter,milling,metal Slitting
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5360-00-233-1456525-16 INTERCHANGEABLE
Spring,helical,compression
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5999-01-138-599352516 INTERCHANGEABLE
Parts Kit,electronic Equipment
Setra Systems, Inc. Dba Gems Sensors
5985-01-375-49205537824-2 INTERCHANGEABLE
Waveguide Assembly
Naval Sea Systems Command
5330-01-619-360652516 INTERCHANGEABLE
Gasket
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
2516 Sierra Networks Inc Sierracom Div (USA)
52516 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
2516 Microwave Engineering Corporation (USA)
Related Parts
3455-00-224-3660INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
59-10016
5360-00-233-1456INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
525-16
5999-01-138-5993INTERCHANGEABLE
PARTS KIT,ELECTRONIC EQUIPMENT
52516
5985-01-375-4920INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
5537824-2
5330-01-619-3606INTERCHANGEABLE
GASKET
52516

Frequently Asked Questions

What is NSN 5310-00-313-7624?

NSN 5310-00-313-7624 is a Nut,plain,hexagon, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-313-7624?

NSN 5310-00-313-7624 has 3 cross-referenced part numbers: 2516 (Sierra Networks Inc Sierracom Div), 52516 (L3harris Technologies, Inc Div Space & Airborne Systems), 2516 (Microwave Engineering Corporation).

What NSN replaces 5310-00-313-7624?

There are 5 known substitutes for 5310-00-313-7624: 3455-00-224-3660, 5360-00-233-1456, 5999-01-138-5993 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52516?

Key specifications for 52516: Nut Style: HEXAGON; Width Across Flats: 0.438 INCHES NOMINAL IN; Nut Height: 0.141 INCHES NOMINAL IN; Bearing Surface Type: CHAMFERED. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-313-7624 still in active supply?

NSN 5310-00-313-7624 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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