PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GEM50015Seal,plain Encased

Trw Inc Trw Commercial Steering Div · NSN 5330-00-178-2281 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-178-2281 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-178-2281. Primary manufacturer part number: GEM50015.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Diameter: 1.750 INCHES NOMINAL IN
  • Seal Width: 0.500 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Case Style: SQUARE
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Housing Bore Diameter: 2.500 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 5330-00-178-2281, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Trw Inc Trw Commercial Steering Div. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-178-2281
Primary Part NumberGEM50015
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerTrw Inc Trw Commercial Steering Div
StatusCANCELLED
Sealing Element StyleANGULAR
Accommodated Shaft Diameter1.750 INCHES NOMINAL IN
Seal Width0.500 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Case StyleSQUARE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Housing Bore Diameter2.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5330-00-003-655917375 INTERCHANGEABLE
Gasket
Safran Power Usa Llc
5136-00-555-0540 INTERCHANGEABLE
Tap,thread Cutting
5330-00-737-254317375 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
3030-01-024-6703J3225356 INTERCHANGEABLE
Belt,v
Chrysler Corp Engine and Components Sales Diversified Products Div
5950-01-187-074017375 INTERCHANGEABLE
Transformer,power
Astronautics Corporation of America
4820-01-429-9560K-17375 INTERCHANGEABLE
Valve,check
Natco/carlton Lp
1005-01-713-897317375 INTERCHANGEABLE
Insert,locking
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
GEM50015 Trw Inc Trw Commercial Steering Div (USA)
R5291PC5 Jered Llc (USA)
17375 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
DW860-2-174 Markey Machine Llc Div Markey Machine (USA)
A5742-48 Jered Llc (USA)
C4022-4 Jered Llc (USA)
Related Parts
5330-00-003-6559INTERCHANGEABLE
GASKET
17375
5136-00-555-0540INTERCHANGEABLE
TAP,THREAD CUTTING
5330-00-737-2543INTERCHANGEABLE
GASKET
17375
3030-01-024-6703INTERCHANGEABLE
BELT,V
J3225356
5950-01-187-0740INTERCHANGEABLE
TRANSFORMER,POWER
17375
4820-01-429-9560INTERCHANGEABLE
VALVE,CHECK
K-17375
1005-01-713-8973INTERCHANGEABLE
INSERT,LOCKING
17375

Frequently Asked Questions

What is NSN 5330-00-178-2281?

NSN 5330-00-178-2281 is a Seal,plain Encased, manufactured by Trw Inc Trw Commercial Steering Div, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-178-2281?

NSN 5330-00-178-2281 has 7 cross-referenced part numbers: GEM50015 (Trw Inc Trw Commercial Steering Div), R5291PC5 (Jered Llc), 17375 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), DW860-2-174 (Markey Machine Llc Div Markey Machine) and 2 more.

What NSN replaces 5330-00-178-2281?

There are 7 known substitutes for 5330-00-178-2281: 5330-00-003-6559, 5136-00-555-0540, 5330-00-737-2543 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GEM50015?

Key specifications for GEM50015: Sealing Element Style: ANGULAR; Accommodated Shaft Diameter: 1.750 INCHES NOMINAL IN; Seal Width: 0.500 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC SEALING ELEMENT. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-178-2281 still in active supply?

NSN 5330-00-178-2281 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.
PartsTable Design LLC · partstable.com