PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

129998Standoff,threaded,spacing

Solartron Electronics Inc Weston Instruments Div · NSN 5340-00-090-2184 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-090-2184 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-090-2184. Primary manufacturer part number: 129998.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Thread Series Designator: UNF LEFT INTERNAL (INCLUDES THRU THREAD)
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
  • Thread Direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
  • Thread Quantity Per Inch: 48 LEFT INTERNAL (INCLUDES THRU THREAD)
  • Thread Quantity Per Inch: 32 RIGHT EXTERNAL
  • Thread Direction: RIGHT-HAND RIGHT EXTERNAL
  • Thread Class: 2B LEFT INTERNAL (INCLUDES THRU THREAD)
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-090-2184, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Solartron Electronics Inc Weston Instruments Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-00-090-2184
Primary Part Number129998
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusACTIVE
Thread Series DesignatorUNF LEFT INTERNAL (INCLUDES THRU THREAD)
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
Thread DirectionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
Thread Quantity Per Inch48 LEFT INTERNAL (INCLUDES THRU THREAD)
Thread Quantity Per Inch32 RIGHT EXTERNAL
Thread DirectionRIGHT-HAND RIGHT EXTERNAL
Thread Class2B LEFT INTERNAL (INCLUDES THRU THREAD)
Style DesignatorFLANGED WITH LEFT INTERNAL THREAD
Nominal Thread Size0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
Flange Thickness0.030 INCHES NOMINAL IN
Thread Class2A RIGHT EXTERNAL A
Length1.270 INCHES NOMINAL IN
Flange Width Across Flats0.281 INCHES NOMINAL IN
Nominal Thread Size0.164 INCHES RIGHT EXTERNAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2910-00-107-41630-13146 INTERCHANGEABLE
Carburetor,float
Zenith Fuel Systems Llc
1620-00-210-936212998 INTERCHANGEABLE
Shock Strut Assy,la
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5945-00-258-33337264-30B INTERCHANGEABLE
Relay,electromagnetic
Leach International Corp Div Leach International Corporation
5950-00-434-2089373290-1 INTERCHANGEABLE
Transformer,pulse
Raytheon Company Dba Raytheon Co
5305-01-007-132112998 INTERCHANGEABLE
Screw,cap,socket Head
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6145-01-251-201112998 INTERCHANGEABLE
Cable,power,electrical
Rscc Wire & Cable Llc Dba Marmon Industrial Energy & Infrastructure - East Granby
5360-01-356-309812998 INTERCHANGEABLE
Spring,helical,compression
Meggitt North Hollywood Inc
Cross-Reference Index
Part NumberManufacturer
129998 Solartron Electronics Inc Weston Instruments Div (USA)
12998 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
2910-00-107-4163INTERCHANGEABLE
CARBURETOR,FLOAT
0-13146
1620-00-210-9362INTERCHANGEABLE
SHOCK STRUT ASSY,LA
12998
5945-00-258-3333INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
7264-30B
5950-00-434-2089INTERCHANGEABLE
TRANSFORMER,PULSE
373290-1
5305-01-007-1321INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
12998
6145-01-251-2011INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
12998
5360-01-356-3098INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12998

Frequently Asked Questions

What is NSN 5340-00-090-2184?

NSN 5340-00-090-2184 is a Standoff,threaded,spacing, manufactured by Solartron Electronics Inc Weston Instruments Div, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-090-2184?

NSN 5340-00-090-2184 has 2 cross-referenced part numbers: 129998 (Solartron Electronics Inc Weston Instruments Div), 12998 (Solartron Electronics Inc Weston Instruments Div).

What NSN replaces 5340-00-090-2184?

There are 7 known substitutes for 5340-00-090-2184: 2910-00-107-4163, 1620-00-210-9362, 5945-00-258-3333 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 129998?

Key specifications for 129998: Thread Series Designator: UNF LEFT INTERNAL (INCLUDES THRU THREAD); Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL; Thread Direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD); Thread Quantity Per Inch: 48 LEFT INTERNAL (INCLUDES THRU THREAD). 14 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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