PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12531Seal,plain Encased

Garwood/feller Inc Garwood Winch Div · NSN 5330-00-641-0986 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-641-0986 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-641-0986. Primary manufacturer part number: 12531.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Outside Diameter: 3.355 INCHES NOMINAL IN
  • Surface Treatment: PLASTIC CASE
  • Housing Bore Diameter: 3.350 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Seal Width: 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Case Style: SQUARE
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 5330-00-641-0986, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Garwood/feller Inc Garwood Winch Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 16 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
NSN5330-00-641-0986
Primary Part Number12531
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerGarwood/feller Inc Garwood Winch Div
StatusCANCELLED
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Outside Diameter3.355 INCHES NOMINAL IN
Surface TreatmentPLASTIC CASE
Housing Bore Diameter3.350 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Seal Width0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Case StyleSQUARE
Accommodated Shaft Diameter2.375 INCHES NOMINAL IN
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-022-5919 INTERCHANGEABLE
Transformer,audio Frequency
5999-00-035-799523-699 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5905-00-126-6696 INTERCHANGEABLE
Resistor,fixed,composition
5935-00-184-6707 INTERCHANGEABLE
Connector,plug,electrical
5120-00-199-7770 INTERCHANGEABLE
Socket,socket Wrench
4730-00-254-6462 INTERCHANGEABLE
Elbow,tube
3120-00-338-7847 INTERCHANGEABLE
Bearing,sleeve
5915-00-368-34864013370-0701 INTERCHANGEABLE
Filter,low Pass
Raytheon Company Dba Raytheon Co
4730-00-423-655023699 INTERCHANGEABLE
Packing Nut
Briggs and Stratton Corp
5940-00-552-453114078057-1 INTERCHANGEABLE
Terminal,lug
Entron Industries Limited Partnership Dba Entron Industries Property Div
Cross-Reference Index
Part NumberManufacturer
12531 PRIMARY Garwood/feller Inc Garwood Winch Div (USA)
292720R91 Navistar International Corporation Dba Navistar (USA)
RT7330 Blaw Knox Corp Blaw-Knox Equipment Div (USA)
23708 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
1D4901 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
RM146-19 PRIMARY Heil Environmental Industries (USA)
292720R91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
350645 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
130-279 Dana Corp Warehouse Opns Fort Wayne Warehouse (USA)
M600L214 Sealcraft Corporation (USA)
130-279 Athey Products Corp (USA)
500151 Army Weapons Command Attn Amswe-Ree-S (USA)
12506 PRIMARY Garwood/feller Inc Garwood Winch Div (USA)
6164 Rexworks Inc (USA)
RT8100-129 Jaeger Machine Co (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
48101 Federal-Mogul Corp Government Sales Dept (USA)
23699 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5950-00-022-5919INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5999-00-035-7995INTERCHANGEABLE
CONTACT,ELECTRICAL
23-699
5905-00-126-6696INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5935-00-184-6707INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5120-00-199-7770INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4730-00-254-6462INTERCHANGEABLE
ELBOW,TUBE
3120-00-338-7847INTERCHANGEABLE
BEARING,SLEEVE
5915-00-368-3486INTERCHANGEABLE
FILTER,LOW PASS
4013370-0701
4730-00-423-6550INTERCHANGEABLE
PACKING NUT
23699
5940-00-552-4531INTERCHANGEABLE
TERMINAL,LUG
14078057-1
5960-00-583-0613INTERCHANGEABLE
ELECTRON TUBE
5330-00-624-4086INTERCHANGEABLE
GASKET
12506

Frequently Asked Questions

What is NSN 5330-00-641-0986?

NSN 5330-00-641-0986 is a Seal,plain Encased, manufactured by Garwood/feller Inc Garwood Winch Div, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-641-0986?

NSN 5330-00-641-0986 has 18 cross-referenced part numbers: 12531 (Garwood/feller Inc Garwood Winch Div), 292720R91 (Navistar International Corporation Dba Navistar), RT7330 (Blaw Knox Corp Blaw-Knox Equipment Div), 23708 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 1D4901 (Caterpillar Inc Div Caterpillar Defense) and 13 more.

What NSN replaces 5330-00-641-0986?

There are 12 known substitutes for 5330-00-641-0986: 5950-00-022-5919, 5999-00-035-7995, 5905-00-126-6696 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12531?

Key specifications for 12531: Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Outside Diameter: 3.355 INCHES NOMINAL IN; Surface Treatment: PLASTIC CASE; Housing Bore Diameter: 3.350 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-641-0986 still in active supply?

NSN 5330-00-641-0986 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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