PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9998-3220-001Standoff,threaded,spacing

Guidance Technology Inc · NSN 5340-00-681-7871 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-681-7871 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-681-7871. Primary manufacturer part number: 9998-3220-001.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Thread Class: 2A RIGHT EXTERNAL A
  • Thread Length: 0.109 INCHES NOMINAL RIGHT EXTERNAL IN
  • Thread Quantity Per Inch: 24 RIGHT EXTERNAL
  • Flange Diameter: 0.250 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
  • Thread Direction: RIGHT-HAND RIGHT EXTERNAL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
Applications
  • Applications requiring Copper Alloy Standoff construction
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-681-7871, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Guidance Technology Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: PG.

Technical Specifications
ParameterValue
NSN5340-00-681-7871
Primary Part Number9998-3220-001
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerGuidance Technology Inc
StatusACTIVE
Thread Class2A RIGHT EXTERNAL A
Thread Length0.109 INCHES NOMINAL RIGHT EXTERNAL IN
Thread Quantity Per Inch24 RIGHT EXTERNAL
Flange Diameter0.250 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
Thread DirectionRIGHT-HAND RIGHT EXTERNAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
Flange Thickness0.125 INCHES NOMINAL IN
Length0.234 INCHES NOMINAL IN
MaterialCOPPER ALLOY STANDOFF
Thread Length0.125 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
Thread Class2B LEFT INTERNAL (INCLUDES THRU THREAD)
Nominal Thread Size0.190 INCHES RIGHT EXTERNAL IN
Style DesignatorFLANGED WITH LEFT INTERNAL THREAD
Surface TreatmentCADMIUM STANDOFF
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5306-00-909-4372 (32166216)
HAZMATNo
Unit of IssuePG
Verified Substitutes 5
5306-00-909-437232166216 SUCCESSOR
Bolt,machine
Perkins Engines Inc
5999-00-234-0858 INTERCHANGEABLE
Contact,electrical
5315-00-459-801812469 INTERCHANGEABLE
Pin
Eaton Corporation
5330-00-932-189712469 INTERCHANGEABLE
Packing,preformed
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
5365-01-079-0886 INTERCHANGEABLE
Spacer,sleeve
Cross-Reference Index
Part NumberManufacturer
9998-3220-001 Guidance Technology Inc (USA)
X1246B1-8 Interconnection Products Inc (USA)
1246-9 Interconnection Products Inc (USA)
58A5A84-7 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
350-1246-09-07 Interconnection Products Inc (USA)
9998-3220-001 Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
SUCCESSOR 5306-00-909-4372 Bolt,machine · 32166216
5999-00-234-0858INTERCHANGEABLE
CONTACT,ELECTRICAL
5315-00-459-8018INTERCHANGEABLE
PIN
12469
5330-00-932-1897INTERCHANGEABLE
PACKING,PREFORMED
12469
5365-01-079-0886INTERCHANGEABLE
SPACER,SLEEVE

Frequently Asked Questions

What is NSN 5340-00-681-7871?

NSN 5340-00-681-7871 is a Standoff,threaded,spacing, manufactured by Guidance Technology Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-681-7871?

NSN 5340-00-681-7871 has 6 cross-referenced part numbers: 9998-3220-001 (Guidance Technology Inc), X1246B1-8 (Interconnection Products Inc), 1246-9 (Interconnection Products Inc), 58A5A84-7 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 350-1246-09-07 (Interconnection Products Inc) and 1 more.

What NSN replaces 5340-00-681-7871?

There are 5 known substitutes for 5340-00-681-7871: 5306-00-909-4372, 5999-00-234-0858, 5315-00-459-8018 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9998-3220-001?

Key specifications for 9998-3220-001: Thread Class: 2A RIGHT EXTERNAL A; Thread Length: 0.109 INCHES NOMINAL RIGHT EXTERNAL IN; Thread Quantity Per Inch: 24 RIGHT EXTERNAL; Flange Diameter: 0.250 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com