PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2558Nut,plain,hexagon

Crytologic Systems Group · NSN 5310-01-629-9673 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-629-9673 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-629-9673. Primary manufacturer part number: 2558.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Style: HEXAGON
  • Nut Height: 0.102 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
  • Nominal Thread Size: 0.138 INCHES IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-629-9673, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Crytologic Systems Group. Government technical data includes 8 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-629-9673
Primary Part Number2558
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCrytologic Systems Group
StatusACTIVE
Nut StyleHEXAGON
Nut Height0.102 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
Nominal Thread Size0.138 INCHES IN
MaterialSTEEL CORROSION RESISTING OVERALL
Thread DirectionRIGHT-HAND
Width Across Flats0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Bearing Surface TypeFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-07262507 INTERCHANGEABLE
Cone and Rollers,tapered Roller
L & L Boiler Maintenance Inc
3110-00-157-0619YR1-3/8-3 INTERCHANGEABLE
Bearing,roller,needle
Accurate Bushing Company, Inc.
5930-00-173-8356 INTERCHANGEABLE
Cover,electrical Switch
5120-00-196-6589MMM2558 INTERCHANGEABLE
Inserter,electrical Contact
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation
5950-00-418-3822SM-B-619160 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5975-00-660-42942558 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5910-00-933-704007-02558-1A INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Ballantine Laboratories Inc
5950-01-226-77918500599 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell International
Cross-Reference Index
Part NumberManufacturer
2558 PRIMARY Crytologic Systems Group (USA)
Related Parts
3110-00-100-0726INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2507
3110-00-157-0619INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
YR1-3/8-3
5930-00-173-8356INTERCHANGEABLE
COVER,ELECTRICAL SWITCH
5120-00-196-6589INTERCHANGEABLE
INSERTER,ELECTRICAL CONTACT
MMM2558
5950-00-418-3822INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SM-B-619160
5975-00-660-4294INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2558
5910-00-933-7040INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
07-02558-1A
5950-01-226-7791INTERCHANGEABLE
TRANSFORMER,POWER
8500599

Frequently Asked Questions

What is NSN 5310-01-629-9673?

NSN 5310-01-629-9673 is a Nut,plain,hexagon, manufactured by Crytologic Systems Group, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-629-9673?

NSN 5310-01-629-9673 has 1 cross-referenced part number: 2558 (Crytologic Systems Group).

What NSN replaces 5310-01-629-9673?

There are 8 known substitutes for 5310-01-629-9673: 3110-00-100-0726, 3110-00-157-0619, 5930-00-173-8356 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2558?

Key specifications for 2558: Part Name Assigned by Controlling Agency: HEX MACHINE SCREW NUT; Nut Style: HEXAGON; End Item Identification: STMS TRAILER; Nut Height: 0.102 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN. 10 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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