PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

91683Nut,plain,hexagon

Lucent Technologies Inc Corporate Headquarters · NSN 5310-00-448-4144 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-448-4144 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-448-4144. Primary manufacturer part number: 91683.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Style: HEXAGON
  • Thread Series: UNS
  • Thread Quantity Per Inch: 32
  • Nominal Thread Size: 0.469 INCHES IN
  • Bearing Surface Type: CHAMFERED
  • Width Across Flats: 0.562 INCHES NOMINAL IN
  • Nut Height: 0.078 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-448-4144, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-448-4144
Primary Part Number91683
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLucent Technologies Inc Corporate Headquarters
StatusACTIVE
Nut StyleHEXAGON
Thread SeriesUNS
Thread Quantity Per Inch32
Nominal Thread Size0.469 INCHES IN
Bearing Surface TypeCHAMFERED
Width Across Flats0.562 INCHES NOMINAL IN
Nut Height0.078 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Surface TreatmentNICKEL OVERALL
Thread Pitch Diameters+0.4487 TO 0.4513 INCHES IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5365-01-155-4599 INTERCHANGEABLE
Spacer,ring
5330-01-315-2346 INTERCHANGEABLE
Gasket
5998-01-648-210391683-1 INTERCHANGEABLE
Circuit Card Assembly
Espey Mfg and Electronics Corp
5998-01-648-744491683 INTERCHANGEABLE
Circuit Card Assembly
Espey Mfg and Electronics Corp
Cross-Reference Index
Part NumberManufacturer
91683 Lucent Technologies Inc Corporate Headquarters (USA)
91683 Lucent Technologies Inc Dba Federal Marketing Group (USA)
91683 American Telephone and Telegraph Co (USA)
91683 At and T Corp (USA)
91683 At and T Teletype Corp (USA)
91683 Telemechanics Inc (USA)
Related Parts
5365-01-155-4599INTERCHANGEABLE
SPACER,RING
5330-01-315-2346INTERCHANGEABLE
GASKET
5998-01-648-2103INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
91683-1
5998-01-648-7444INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
91683

Frequently Asked Questions

What is NSN 5310-00-448-4144?

NSN 5310-00-448-4144 is a Nut,plain,hexagon, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-448-4144?

NSN 5310-00-448-4144 has 6 cross-referenced part numbers: 91683 (Lucent Technologies Inc Corporate Headquarters), 91683 (Lucent Technologies Inc Dba Federal Marketing Group), 91683 (American Telephone and Telegraph Co), 91683 (At and T Corp), 91683 (At and T Teletype Corp) and 1 more.

What NSN replaces 5310-00-448-4144?

There are 4 known substitutes for 5310-00-448-4144: 5365-01-155-4599, 5330-01-315-2346, 5998-01-648-2103 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91683?

Key specifications for 91683: Nut Style: HEXAGON; Thread Series: UNS; Thread Quantity Per Inch: 32; Nominal Thread Size: 0.469 INCHES IN. 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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