PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3281Seal,plain Encased

Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc · NSN 5330-00-297-7138 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-297-7138 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-297-7138. Primary manufacturer part number: 3281.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Sealing Element Style: ANGULAR
  • Housing Bore Diameter: 7.000 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 5.750 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Surface Treatment: CADMIUM CASE
  • Material: STEEL CASE
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 5330-00-297-7138, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-297-7138
Primary Part Number3281
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerGarlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
StatusACTIVE
Case StyleSQUARE
Sealing Element StyleANGULAR
Housing Bore Diameter7.000 INCHES NOMINAL IN
Accommodated Shaft Diameter5.750 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Surface TreatmentCADMIUM CASE
MaterialSTEEL CASE
Seal Width0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4330-00-431-6574K25-002 INTERCHANGEABLE
Filter Element,fluid
Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division
9320-00-618-07223281 INTERCHANGEABLE
Rubber Sheet,solid
The Boeing Company Div Legacy Wichita
2910-00-887-154611437 INTERCHANGEABLE
Wire,vent
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6610-01-197-83023281 INTERCHANGEABLE
Indicator,airspeed and Direction
Lilbern Design of Virginia Llc
5950-01-247-17343281 INTERCHANGEABLE
Transformer,current
Corona Magnetics, Inc. Dba C M I
4820-01-445-7566 INTERCHANGEABLE
Seat,valve
5310-01-603-16743281 INTERCHANGEABLE
Nut,self-Locking,hexagon
80/20, Llc
5325-01-614-73333281 INTERCHANGEABLE
Fastener Tape,hook and Pile
Bmi Defense Systems, Inc
Cross-Reference Index
Part NumberManufacturer
3281 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
Related Parts
4330-00-431-6574INTERCHANGEABLE
FILTER ELEMENT,FLUID
K25-002
9320-00-618-0722INTERCHANGEABLE
RUBBER SHEET,SOLID
3281
2910-00-887-1546INTERCHANGEABLE
WIRE,VENT
11437
6610-01-197-8302INTERCHANGEABLE
INDICATOR,AIRSPEED AND DIRECTION
3281
5950-01-247-1734INTERCHANGEABLE
TRANSFORMER,CURRENT
3281
4820-01-445-7566INTERCHANGEABLE
SEAT,VALVE
5310-01-603-1674INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
3281
5325-01-614-7333INTERCHANGEABLE
FASTENER TAPE,HOOK AND PILE
3281

Frequently Asked Questions

What is NSN 5330-00-297-7138?

NSN 5330-00-297-7138 is a Seal,plain Encased, manufactured by Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-297-7138?

NSN 5330-00-297-7138 has 2 cross-referenced part numbers: 3281 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).

What NSN replaces 5330-00-297-7138?

There are 8 known substitutes for 5330-00-297-7138: 4330-00-431-6574, 9320-00-618-0722, 2910-00-887-1546 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3281?

Key specifications for 3281: Case Style: SQUARE; Sealing Element Style: ANGULAR; Housing Bore Diameter: 7.000 INCHES NOMINAL IN; Accommodated Shaft Diameter: 5.750 INCHES NOMINAL IN. 8 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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