PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21234Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-286-7059 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-286-7059 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-286-7059. Primary manufacturer part number: 21234.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Seal Width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
  • Surface Treatment: PLASTIC CASE
  • Housing Bore Diameter: 3.1235 INCHES MINIMUM AND 3.1265 INCHES MAXIMUM IN
  • Accommodated Shaft Diameter: 2.125 INCHES NOMINAL IN
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Accommodated Shaft Maximum Rated Speed: 1600 FEET PER MINUTE FT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather or Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-286-7059, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc. Dba Skf Aerospace Sealing Solutions. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-286-7059
Primary Part Number21234
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusCANCELLED
Case StyleSQUARE
Seal Width0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Surface TreatmentPLASTIC CASE
Housing Bore Diameter3.1235 INCHES MINIMUM AND 3.1265 INCHES MAXIMUM IN
Accommodated Shaft Diameter2.125 INCHES NOMINAL IN
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Maximum Rated Speed1600 FEET PER MINUTE FT
Sealing Element StyleANGULAR
Outside Diameter3.130 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-171-931012514 INTERCHANGEABLE
Seal,plain Encased
Garwood/feller Inc Garwood Winch Div
5110-00-186-6693 INTERCHANGEABLE
Reamer,hand
5136-00-197-95627268 INTERCHANGEABLE
Die,rethreading
Stanley Tools Div of Stanley Works
5365-00-202-167121234 INTERCHANGEABLE
Spacer,sleeve
Eaton Aerospace Llc
6685-00-487-461347B50 INTERCHANGEABLE
Indicator,temperature,electrical
Horizon Aerospace Llc Dba Magnetics Division
5310-00-550-436922ND16-02 INTERCHANGEABLE
Nut,self-Locking,spline
Esna, Llc
3120-00-575-589721-234 INTERCHANGEABLE
Bearing Half,sleeve
Dresser Industries Inc Waukesha Engine Div
5330-00-591-270921234 INTERCHANGEABLE
Packing,preformed
Industrial Technologies and Services Llc
2930-00-838-939131324 INTERCHANGEABLE
Cap,filler Opening
Gates Corporation
3020-00-914-8419500135 INTERCHANGEABLE
Gear,spur
Aimtron Systems, Llc
Cross-Reference Index
Part NumberManufacturer
21234 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
500135 Army Weapons Command Attn Amswe-Ree-S (USA)
31324 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5330-00-171-9310INTERCHANGEABLE
SEAL,PLAIN ENCASED
12514
5110-00-186-6693INTERCHANGEABLE
REAMER,HAND
5136-00-197-9562INTERCHANGEABLE
DIE,RETHREADING
7268
5365-00-202-1671INTERCHANGEABLE
SPACER,SLEEVE
21234
6685-00-487-4613INTERCHANGEABLE
INDICATOR,TEMPERATURE,ELECTRICAL
47B50
5310-00-550-4369INTERCHANGEABLE
NUT,SELF-LOCKING,SPLINE
22ND16-02
3120-00-575-5897INTERCHANGEABLE
BEARING HALF,SLEEVE
21-234
5330-00-591-2709INTERCHANGEABLE
PACKING,PREFORMED
21234
2930-00-838-9391INTERCHANGEABLE
CAP,FILLER OPENING
31324
3020-00-914-8419INTERCHANGEABLE
GEAR,SPUR
500135
6610-00-918-3386INTERCHANGEABLE
POINTER,DISC
31324
6550-01-031-6171INTERCHANGEABLE
SENSITIVITY DISCS,DIAGNOSTIC
231324

Frequently Asked Questions

What is NSN 5330-00-286-7059?

NSN 5330-00-286-7059 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-286-7059?

NSN 5330-00-286-7059 has 4 cross-referenced part numbers: 21234 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 500135 (Army Weapons Command Attn Amswe-Ree-S), 31324 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-286-7059?

There are 12 known substitutes for 5330-00-286-7059: 5330-00-171-9310, 5110-00-186-6693, 5136-00-197-9562 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21234?

Key specifications for 21234: Case Style: SQUARE; Seal Width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Surface Treatment: PLASTIC CASE; Housing Bore Diameter: 3.1235 INCHES MINIMUM AND 3.1265 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-286-7059 still in active supply?

NSN 5330-00-286-7059 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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