PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99708Nut,plain,hexagon

Majestic Fasteners Co · NSN 5310-01-387-8117 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-387-8117 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-387-8117. Primary manufacturer part number: 99708.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2B
  • Material Document and Classification: ASTM B-98 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Width Across Flats: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
  • Bearing Surface Type: CHAMFERED
  • Thread Quantity Per Inch: 13
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 651 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-387-8117, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Majestic Fasteners Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5310-01-387-8117
Primary Part Number99708
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMajestic Fasteners Co
StatusACTIVE
Nut Height0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class2B
Material Document and ClassificationASTM B-98 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Width Across Flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Bearing Surface TypeCHAMFERED
Thread Quantity Per Inch13
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.500 INCHES IN
MaterialCOPPER ALLOY 651 OVERALL
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-596-0724 INTERCHANGEABLE
Washer,spring Tension
5306-01-155-4335130188 INTERCHANGEABLE
Bolt,machine
Dana Commercial Vehicle Products, Llc
Cross-Reference Index
Part NumberManufacturer
99708 Stewart & Stevenson Power Products Llc (USA)
99708 PRIMARY Majestic Fasteners Co (USA)
Related Parts
5310-00-596-0724INTERCHANGEABLE
WASHER,SPRING TENSION
5306-01-155-4335INTERCHANGEABLE
BOLT,MACHINE
130188

Frequently Asked Questions

What is NSN 5310-01-387-8117?

NSN 5310-01-387-8117 is a Nut,plain,hexagon, manufactured by Majestic Fasteners Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-387-8117?

NSN 5310-01-387-8117 has 2 cross-referenced part numbers: 99708 (Stewart & Stevenson Power Products Llc), 99708 (Majestic Fasteners Co).

What NSN replaces 5310-01-387-8117?

There are 2 known substitutes for 5310-01-387-8117: 5310-00-596-0724, 5306-01-155-4335. Verify interchangeability with system specifications before substitution.

What are the specifications of 99708?

Key specifications for 99708: Nut Height: 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Thread Class: 2B; Material Document and Classification: ASTM B-98 ASSN STD SINGLE MATERIAL RESPONSE 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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