PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12358784-1Seal,plain Encased

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5330-01-326-7598 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-326-7598 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-326-7598. Primary manufacturer part number: 12358784-1.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: VERTICAL
  • Seal Width: 0.418 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
  • Accommodated Shaft Diameter: 3.799 INCHES MINIMUM AND 3.801 INCHES MAXIMUM IN
  • Case Style: SQUARE
  • Material: STEEL CORROSION RESISTING SPRING
  • Surface Treatment: PHOSPHATE MANGANESE OR PHOSPHATE ZINC CASE
  • Material: RUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Corrosion Resisting Spring construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-326-7598, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-326-7598
Primary Part Number12358784-1
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Sealing Element StyleVERTICAL
Seal Width0.418 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Accommodated Shaft Diameter3.799 INCHES MINIMUM AND 3.801 INCHES MAXIMUM IN
Case StyleSQUARE
MaterialSTEEL CORROSION RESISTING SPRING
Surface TreatmentPHOSPHATE MANGANESE OR PHOSPHATE ZINC CASE
MaterialRUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT
Surface Treatment Document and ClassificationDOD-P-16232,TY M,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR DOD-P-16232,TY Z,CL 2 FED SPEC 2ND TREATMENT RESPONSE CASE
MaterialSTEEL CASE
Housing Bore Diameter5.254 INCHES MINIMUM AND 5.259 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2240-00-366-1042538101 INTERCHANGEABLE
Valve,brake
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
5930-00-583-886111SM1T INTERCHANGEABLE
Switch,sensitive
Honeywell International Inc. Dba Honeyweel Sensing & Controls
5961-00-869-5298A65529 INTERCHANGEABLE
Semiconductor Device,diode
Power Designs Inc
5940-00-947-4054AAAS60TFX INTERCHANGEABLE
Terminal,compression
Frc Electrical Industries Inc
5935-01-133-5468 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
538101 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
12358784-1 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
538101-60 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
B-6302-1 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
2240-00-366-1042INTERCHANGEABLE
VALVE,BRAKE
538101
5930-00-583-8861INTERCHANGEABLE
SWITCH,SENSITIVE
11SM1T
5961-00-869-5298INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
A65529
5940-00-947-4054INTERCHANGEABLE
TERMINAL,COMPRESSION
AAAS60TFX
5935-01-133-5468INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL

Frequently Asked Questions

What is NSN 5330-01-326-7598?

NSN 5330-01-326-7598 is a Seal,plain Encased, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-326-7598?

NSN 5330-01-326-7598 has 4 cross-referenced part numbers: 538101 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 12358784-1 (U S Army Tank Automotive Command Amsta-Im-Mm), 538101-60 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), B-6302-1 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-01-326-7598?

There are 5 known substitutes for 5330-01-326-7598: 2240-00-366-1042, 5930-00-583-8861, 5961-00-869-5298 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12358784-1?

Key specifications for 12358784-1: Sealing Element Style: VERTICAL; Seal Width: 0.418 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Accommodated Shaft Diameter: 3.799 INCHES MINIMUM AND 3.801 INCHES MAXIMUM IN; Case Style: SQUARE. 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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