PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SP79979Nut,plain,hexagon

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5310-00-262-5076 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-262-5076 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-262-5076. Primary manufacturer part number: SP79979.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 2B
  • Width Across Flats: 0.302 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
  • Nut Height: 0.102 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 32
  • Nominal Thread Size: 0.138 INCHES IN
  • Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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 5310-00-262-5076, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-262-5076
Primary Part NumberSP79979
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Thread Class2B
Width Across Flats0.302 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
Nut Height0.102 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch32
Nominal Thread Size0.138 INCHES IN
Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Countersink Angle105.0 DEGREES MINIMUM AND 115.0 DEGREES MAXIMUM NUT
MaterialCOPPER ALLOY 360 OVERALL
Precious MaterialSILVER
Material Document and ClassificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentSILVER OVERALL
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread DirectionRIGHT-HAND
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-190-14472409-411850PCP1310-33 INTERCHANGEABLE
Screw,machine
Naval Ship Systems Command
5310-00-199-3079 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-199-6548 INTERCHANGEABLE
Nut,plain,hexagon
5305-00-206-7030E87886-2 INTERCHANGEABLE
Screw,machine
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5305-00-225-7544 INTERCHANGEABLE
Setscrew
5305-00-249-0264 INTERCHANGEABLE
Setscrew
5305-00-249-0588 INTERCHANGEABLE
Setscrew
5305-00-249-0591 INTERCHANGEABLE
Setscrew
5305-00-249-0608 INTERCHANGEABLE
Setscrew
5305-00-249-0615 INTERCHANGEABLE
Setscrew
Cross-Reference Index
Part NumberManufacturer
SP79979 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MILB933TYPEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS20341-6B Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-190-1447INTERCHANGEABLE
SCREW,MACHINE
2409-411850PCP1310-33
5310-00-199-3079INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-199-6548INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5305-00-206-7030INTERCHANGEABLE
SCREW,MACHINE
E87886-2
5305-00-225-7544INTERCHANGEABLE
SETSCREW
5305-00-249-0264INTERCHANGEABLE
SETSCREW
5305-00-249-0588INTERCHANGEABLE
SETSCREW
5305-00-249-0591INTERCHANGEABLE
SETSCREW
5305-00-249-0608INTERCHANGEABLE
SETSCREW
5305-00-249-0615INTERCHANGEABLE
SETSCREW
5305-00-249-0617INTERCHANGEABLE
SETSCREW
5310-00-934-9759INTERCHANGEABLE
NUT,PLAIN,HEXAGON
81009

Frequently Asked Questions

What is NSN 5310-00-262-5076?

NSN 5310-00-262-5076 is a Nut,plain,hexagon, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-262-5076?

NSN 5310-00-262-5076 has 3 cross-referenced part numbers: SP79979 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MILB933TYPEA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS20341-6B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-262-5076?

There are 12 known substitutes for 5310-00-262-5076: 5305-00-190-1447, 5310-00-199-3079, 5310-00-199-6548 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SP79979?

Key specifications for SP79979: Thread Class: 2B; Width Across Flats: 0.302 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN; Nut Height: 0.102 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 15 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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