PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

133308-00Retainer Assembly,vacuum

Northrop Grumman Systems Corporation · NSN 5821-00-659-3869 · FSC 5821 · No Item Name Available
Verified by PartsTable
NSN 5821-00-659-3869 — this item is cataloged by the U.S. Government under National Stock Number 5821-00-659-3869. Primary manufacturer part number: 133308-00.
Features
  • Retainer Assembly,vacuum — FSC 5821
  • General Characteristics Item Description: CIRCULAR DISC 4.0 IN. DIA.; MATL.-FIBERGLASS; 0.25 IN. RING METAL BACKING; CENTER HOLE DIA. 1.5 IN.; CONTAINS HOLE FOR SUPPORT BRACKET IN
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Retainer Assembly,vacuum, cataloged under National Stock Number 5821-00-659-3869, is classified within Federal Supply Class 5821 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5821-00-659-3869
Primary Part Number133308-00
Item NameRetainer Assembly,vacuum
FSC / FSG5821 / 58 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
General Characteristics Item DescriptionCIRCULAR DISC 4.0 IN. DIA.; MATL.-FIBERGLASS; 0.25 IN. RING METAL BACKING; CENTER HOLE DIA. 1.5 IN.; CONTAINS HOLE FOR SUPPORT BRACKET IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-732-96177329617 INTERCHANGEABLE
Insert,screw Thread
U S Army Tank Automotive Command Amsta-Im-Mm
5330-00-736-80847368084 INTERCHANGEABLE
Gasket
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
133308 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
133308-00 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
133308-00 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
5325-00-732-9617INTERCHANGEABLE
INSERT,SCREW THREAD
7329617
5330-00-736-8084INTERCHANGEABLE
GASKET
7368084

Frequently Asked Questions

What is NSN 5821-00-659-3869?

NSN 5821-00-659-3869 is a Retainer Assembly,vacuum, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5821 (No Item Name Available). Status: active.

What are the part numbers for NSN 5821-00-659-3869?

NSN 5821-00-659-3869 has 3 cross-referenced part numbers: 133308 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 133308-00 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 133308-00 (Northrop Grumman Systems Corporation).

What NSN replaces 5821-00-659-3869?

There are 2 known substitutes for 5821-00-659-3869: 5325-00-732-9617, 5330-00-736-8084. Verify interchangeability with system specifications before substitution.

What are the specifications of 133308-00?

Key specifications for 133308-00: General Characteristics Item Description: CIRCULAR DISC 4.0 IN. DIA.; MATL.-FIBERGLASS; 0.25 IN. RING METAL BACKING; CENTER HOLE DIA. 1.5 IN.; CONTAINS HOLE FOR SUPPORT BRACKET IN; End Item Identification: E-3A AWACS AIRCRAFT A. 2 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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