PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

639979Plug,machine Thread

Am General Llc · NSN 5365-00-289-1579 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-289-1579 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-289-1579. Primary manufacturer part number: 639979.
Features
  • Plug,machine Thread — FSC 5365
  • Thread Class: 3A EXTERNAL A
  • Washer Face Thickness: 0.016 INCHES NOMINAL IN
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Connection Style: PLAIN
  • Material: STEEL COMP B1113 OR STEEL COMP 1113 OR STEEL COMP 1213 OVERALL
  • Thread Quantity Per Inch: 18 EXTERNAL
  • Thread Direction: RIGHT-HAND EXTERNAL
Applications
  • Applications requiring Steel Comp B1113 or Steel Comp 1113 or Steel Comp 1213 Overall construction
General Description

The Plug,machine Thread, cataloged under National Stock Number 5365-00-289-1579, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Am General Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5365-00-289-1579
Primary Part Number639979
Item NamePlug,machine Thread
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerAm General Llc
StatusCANCELLED
Thread Class3A EXTERNAL A
Washer Face Thickness0.016 INCHES NOMINAL IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Connection StylePLAIN
MaterialSTEEL COMP B1113 OR STEEL COMP 1113 OR STEEL COMP 1213 OVERALL
Thread Quantity Per Inch18 EXTERNAL
Thread DirectionRIGHT-HAND EXTERNAL
Style DesignatorPLUG, MACHINE
Thread Length0.469 INCHES NOMINAL EXTERNAL IN
Thread Series DesignatorUNS EXTERNAL
Head Height0.312 INCHES NOMINAL IN
Washer Face Diameter1.125 INCHES NOMINAL IN
Nominal Thread Size0.875 INCHES EXTERNAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4330-00-363-6122CC23-7 INTERCHANGEABLE
Filter Element,fluid
Facet (oklahoma) Llc
5331-00-764-09800104-08-20 INTERCHANGEABLE
O-Ring
Pti Technologies Inc.
Cross-Reference Index
Part NumberManufacturer
639979 PRIMARY Am General Llc (USA)
GPW6727 Ford Motor Company (USA)
5365002895390 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
GPW6727 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
7388074 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
4330-00-363-6122INTERCHANGEABLE
FILTER ELEMENT,FLUID
CC23-7
5331-00-764-0980INTERCHANGEABLE
O-RING
0104-08-20

Frequently Asked Questions

What is NSN 5365-00-289-1579?

NSN 5365-00-289-1579 is a Plug,machine Thread, manufactured by Am General Llc, classified under FSC 5365 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5365-00-289-1579?

NSN 5365-00-289-1579 has 5 cross-referenced part numbers: 639979 (Am General Llc), GPW6727 (Ford Motor Company), 5365002895390 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), GPW6727 (Ford Motor Co Ford Parts and Service Div Government Part Sales), 7388074 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5365-00-289-1579?

There are 2 known substitutes for 5365-00-289-1579: 4330-00-363-6122, 5331-00-764-0980. Verify interchangeability with system specifications before substitution.

What are the specifications of 639979?

Key specifications for 639979: Thread Class: 3A EXTERNAL A; Washer Face Thickness: 0.016 INCHES NOMINAL IN; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Connection Style: PLAIN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5365-00-289-1579 still in active supply?

NSN 5365-00-289-1579 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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