PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77857Nut,self-Locking,hexagon

Fastenal Company Div Pacar · NSN 5310-01-600-5609 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-600-5609 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-600-5609. Primary manufacturer part number: 77857.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Nut Height: 0.224 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Width Across Flats: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 24
  • Locking Feature: PREVAILING TORQUE WITH METALLIC INSERT
  • Bearing Surface Type: CHAMFERED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-600-5609, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Div Pacar. Government technical data includes 11 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-600-5609
Primary Part Number77857
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Div Pacar
StatusACTIVE
Thread DirectionRIGHT-HAND
Nut Height0.224 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
Thread Class2A A
Width Across Flats0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Thread Quantity Per Inch24
Locking FeaturePREVAILING TORQUE WITH METALLIC INSERT
Bearing Surface TypeCHAMFERED
Criticality Code JustificationAGAV
Nut StyleHEXAGON
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.190 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-012-2159122159 INTERCHANGEABLE
Screw,machine
Us Army Aviation and Missile Command
5315-00-565-0199 INTERCHANGEABLE
Pin,shoulder,headless
2810-00-857-327077857 INTERCHANGEABLE
Pin,piston
Textron Lycoming Inc Williamsport Plant
Cross-Reference Index
Part NumberManufacturer
77857 PRIMARY Fastenal Company Div Pacar (USA)
Related Parts
5305-00-012-2159INTERCHANGEABLE
SCREW,MACHINE
122159
5315-00-565-0199INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
2810-00-857-3270INTERCHANGEABLE
PIN,PISTON
77857

Frequently Asked Questions

What is NSN 5310-01-600-5609?

NSN 5310-01-600-5609 is a Nut,self-Locking,hexagon, manufactured by Fastenal Company Div Pacar, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-600-5609?

NSN 5310-01-600-5609 has 1 cross-referenced part number: 77857 (Fastenal Company Div Pacar).

What NSN replaces 5310-01-600-5609?

There are 3 known substitutes for 5310-01-600-5609: 5305-00-012-2159, 5315-00-565-0199, 2810-00-857-3270. Verify interchangeability with system specifications before substitution.

What are the specifications of 77857?

Key specifications for 77857: Thread Direction: RIGHT-HAND; Nut Height: 0.224 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN; Thread Class: 2A A; Part Name Assigned by Controlling Agency: CAGE: NO. 10-24 NM 316 STAINLESS STEEL, HEX NYLON INSERT LOCKNUT. 13 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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