PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2D599Seal,plain Encased

Caterpillar Inc Div Caterpillar Defense · NSN 5330-00-171-7924 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-171-7924 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-171-7924. Primary manufacturer part number: 2D599.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Seal Width: 0.438 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Accommodated Shaft Diameter: 0.969 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 1000 FEET PER MINUTE FT
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Housing Bore Diameter: 1.750 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-171-7924, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-171-7924
Primary Part Number2D599
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Sealing Element StyleANGULAR
Seal Width0.438 INCHES NOMINAL IN
Case StyleSQUARE
Accommodated Shaft Diameter0.969 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed1000 FEET PER MINUTE FT
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Housing Bore Diameter1.750 INCHES NOMINAL IN
MaterialSTEEL CASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5305-00-370-0922151657 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
5930-00-731-4761MIS17328-3-7 INTERCHANGEABLE
Switch,pressure
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
2D0599 Caterpillar Inc Div Caterpillar Defense (USA)
2D599 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
151657 Hewlett-Packard Co Waltham Div (USA)
51X276 PRIMARY Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
151657 PRIMARY Philips North America Llc Dba Philips Healthcare (USA)
Related Parts
5305-00-370-0922INTERCHANGEABLE
SCREW,MACHINE
151657
5930-00-731-4761INTERCHANGEABLE
SWITCH,PRESSURE
MIS17328-3-7

Frequently Asked Questions

What is NSN 5330-00-171-7924?

NSN 5330-00-171-7924 is a Seal,plain Encased, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-171-7924?

NSN 5330-00-171-7924 has 5 cross-referenced part numbers: 2D0599 (Caterpillar Inc Div Caterpillar Defense), 2D599 (Caterpillar Inc Div Caterpillar Defense), 151657 (Hewlett-Packard Co Waltham Div), 51X276 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), 151657 (Philips North America Llc Dba Philips Healthcare).

What NSN replaces 5330-00-171-7924?

There are 2 known substitutes for 5330-00-171-7924: 5305-00-370-0922, 5930-00-731-4761. Verify interchangeability with system specifications before substitution.

What are the specifications of 2D599?

Key specifications for 2D599: Sealing Element Style: ANGULAR; Seal Width: 0.438 INCHES NOMINAL IN; Case Style: SQUARE; Accommodated Shaft Diameter: 0.969 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-171-7924 still in active supply?

NSN 5330-00-171-7924 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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