PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71950Nut,plain,slotted,hexagon

Textron Lycoming Inc Williamsport Plant · NSN 5310-00-687-7716 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-687-7716 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-687-7716. Primary manufacturer part number: 71950.
Features
  • Nut,plain,slotted,hexagon — FSC 5310
  • Thread Class: 3B
  • Nut Height: 0.410 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 24
  • Thread Series: UNF
  • Bearing Surface Type: CHAMFERED
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4340 Overall construction
General Description

The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-00-687-7716, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. Government technical data includes 12 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
NSN5310-00-687-7716
Primary Part Number71950
Item NameNut,plain,slotted,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusACTIVE
Thread Class3B
Nut Height0.410 INCHES NOMINAL IN
Thread Quantity Per Inch24
Thread SeriesUNF
Bearing Surface TypeCHAMFERED
Nominal Thread Size0.375 INCHES IN
Thread DirectionRIGHT-HAND
Width Across Flats0.560 INCHES NOMINAL IN
Nut StyleSLOTTED, HEXAGON
Material Document and ClassificationAMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCOPPER OVERALL
MaterialSTEEL COMP 4340 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2530-00-422-9720236979N INTERCHANGEABLE
Plate,treadle Mounting Brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5950-01-069-6083 INTERCHANGEABLE
Transformer,radio Frequency
5331-01-390-195271950 INTERCHANGEABLE
O-Ring
Generac Corp
Cross-Reference Index
Part NumberManufacturer
71950 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
Related Parts
2530-00-422-9720INTERCHANGEABLE
PLATE,TREADLE MOUNTING BRAKE
236979N
5950-01-069-6083INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5331-01-390-1952INTERCHANGEABLE
O-RING
71950

Frequently Asked Questions

What is NSN 5310-00-687-7716?

NSN 5310-00-687-7716 is a Nut,plain,slotted,hexagon, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-687-7716?

NSN 5310-00-687-7716 has 1 cross-referenced part number: 71950 (Textron Lycoming Inc Williamsport Plant).

What NSN replaces 5310-00-687-7716?

There are 3 known substitutes for 5310-00-687-7716: 2530-00-422-9720, 5950-01-069-6083, 5331-01-390-1952. Verify interchangeability with system specifications before substitution.

What are the specifications of 71950?

Key specifications for 71950: Thread Class: 3B; Nut Height: 0.410 INCHES NOMINAL IN; Thread Quantity Per Inch: 24; Thread Series: UNF. 12 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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