PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4445FPC37Retainer,packing

Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa · NSN 5330-00-559-2363 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-559-2363 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-559-2363. Primary manufacturer part number: 4445FPC37.
Features
  • Retainer,packing — FSC 5330
  • Angle: 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
  • Material Document and Classification: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Joint Type: SCARF-BUTT RETAINER
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Peripheral Diameter: 1.492 INCHES NOMINAL IN
  • Distance Between Ends: 0.047 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.250 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-559-2363, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN5330-00-559-2363
Primary Part Number4445FPC37
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerAtwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa
StatusACTIVE
Angle25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
Material Document and ClassificationSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
Joint TypeSCARF-BUTT RETAINER
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Peripheral Diameter1.492 INCHES NOMINAL IN
Distance Between Ends0.047 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
Center Hole Diameter1.250 INCHES NOMINAL IN
Cross-Sectional Thickness0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
Cross-Sectional Shape StyleSQUARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-171-6758 INTERCHANGEABLE
Retainer,packing
5330-01-226-0134 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
4824-3279069PC37 Naval Ship Systems Command (USA)
MS28782 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4809-F, PC 38 Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
SAE-AS8791 Sae International Dba Sae International (USA)
4445FPC37 PRIMARY Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
MS28782-23 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4445FREVCPC37SH1 Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
Related Parts
5330-00-171-6758INTERCHANGEABLE
RETAINER,PACKING
5330-01-226-0134INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5330-00-559-2363?

NSN 5330-00-559-2363 is a Retainer,packing, manufactured by Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-559-2363?

NSN 5330-00-559-2363 has 7 cross-referenced part numbers: 4824-3279069PC37 (Naval Ship Systems Command), MS28782 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 4809-F, PC 38 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa), SAE-AS8791 (Sae International Dba Sae International), 4445FPC37 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa) and 2 more.

What NSN replaces 5330-00-559-2363?

There are 2 known substitutes for 5330-00-559-2363: 5330-00-171-6758, 5330-01-226-0134. Verify interchangeability with system specifications before substitution.

What are the specifications of 4445FPC37?

Key specifications for 4445FPC37: Angle: 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM; Material Document and Classification: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL; Joint Type: SCARF-BUTT RETAINER; Special Features: READY FOR TRANSFER; J6R; 02-24-2010.. 10 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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