PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A6389Seal,special

Armstrong International Inc Dba Armstrong Machine Works · NSN 5330-01-006-3777 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-006-3777 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-006-3777. Primary manufacturer part number: A6389.
Features
  • Seal,special — FSC 5330
  • General Characteristics Item Description: RUBBER,SYN,2.000 IN. OD,1.438 IN. LG IN
  • 1 verified cross-reference
  • Primary manufacturer: Armstrong International Inc Dba Armstrong Machine Works
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,special, cataloged under National Stock Number 5330-01-006-3777, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Armstrong International Inc Dba Armstrong Machine Works. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-006-3777
Primary Part NumberA6389
Item NameSeal,special
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerArmstrong International Inc Dba Armstrong Machine Works
StatusACTIVE
General Characteristics Item DescriptionRUBBER,SYN,2.000 IN. OD,1.438 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-773-5829A6389 INTERCHANGEABLE
Washer Lunette Spri
Am General Llc
5330-01-123-2239A6389 INTERCHANGEABLE
Seal,e-Type
Eaton Corporation Div Fed
Cross-Reference Index
Part NumberManufacturer
A6389 PRIMARY Armstrong International Inc Dba Armstrong Machine Works (USA)
Related Parts
5310-00-773-5829INTERCHANGEABLE
WASHER LUNETTE SPRI
A6389
5330-01-123-2239INTERCHANGEABLE
SEAL,E-TYPE
A6389

Frequently Asked Questions

What is NSN 5330-01-006-3777?

NSN 5330-01-006-3777 is a Seal,special, manufactured by Armstrong International Inc Dba Armstrong Machine Works, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-006-3777?

NSN 5330-01-006-3777 has 1 cross-referenced part number: A6389 (Armstrong International Inc Dba Armstrong Machine Works).

What NSN replaces 5330-01-006-3777?

There are 2 known substitutes for 5330-01-006-3777: 5310-00-773-5829, 5330-01-123-2239. Verify interchangeability with system specifications before substitution.

What are the specifications of A6389?

Key specifications for A6389: General Characteristics Item Description: RUBBER,SYN,2.000 IN. OD,1.438 IN. LG IN. 1 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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