PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

65958Seal,plain Encased

Fwd Seagrave Holdings Lp · NSN 5330-00-154-8864 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-154-8864 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-154-8864. Primary manufacturer part number: 65958.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Seal Width: 0.500 INCHES NOMINAL IN
  • Material: LEATHER SEALING ELEMENT
  • Material: STEEL CASE
  • Housing Bore Diameter: 2.996 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 2.125 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-154-8864, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 43 commercial cross-references from 24 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
NSN5330-00-154-8864
Primary Part Number65958
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusCANCELLED
Case StyleSQUARE
Seal Width0.500 INCHES NOMINAL IN
MaterialLEATHER SEALING ELEMENT
MaterialSTEEL CASE
Housing Bore Diameter2.996 INCHES NOMINAL IN
Accommodated Shaft Diameter2.125 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Sealing Element StyleANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-007-3098 INTERCHANGEABLE
Bearing,ball,thrust
5120-00-081-9074 INTERCHANGEABLE
Wrench,open End
5935-00-133-2998 INTERCHANGEABLE
Jack,tip
5895-00-138-211240408 INTERCHANGEABLE
Panel,indicator
Allianz Sweeper Company
4310-00-142-070613587N INTERCHANGEABLE
Ring,piston
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5310-00-186-0976 INTERCHANGEABLE
Washer,key
4320-00-218-625529924 INTERCHANGEABLE
Cap,piston Socket
Eaton Aerospace, Llc Dba Jackson South
5330-00-241-5272938435 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
6610-00-273-30165934PA-3 INTERCHANGEABLE
Altimeter,pressure
United Instruments Inc.
5950-00-280-4517 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
RT8100-126 Jaeger Machine Co (USA)
AN1-4-1701-184PC36 Philadelphia Naval Shipyard (USA)
65958 PRIMARY Fwd Seagrave Holdings Lp (USA)
MB2032APC36 Mkt Geotechnical Systems (USA)
1326 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
5157536 General Motors Llc Dba General Motors Llc (USA)
A600L202 Sealcraft Corporation (USA)
7020V791PC44 Bae Systems Land & Armaments L.p. (USA)
49383 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
43283D Navistar International Corporation Dba Navistar (USA)
15287A Massey-Ferguson Inc Gear and Shaft Plant Div (USA)
MB2032PC36 Mkt Geotechnical Systems (USA)
MB1394CPC26 Mkt Geotechnical Systems (USA)
29924 Bae Systems Land & Armaments L.p. (USA)
43-233 Federal-Mogul Corp Chassis Products Div (USA)
L167 American Standard Inc Westinghouse Air Brake Co Div (USA)
29924 Rolls-Royce Solutions America Inc (USA)
40408 PRIMARY Cnh Industrial America Llc Dba Cnh America (USA)
MB1394-1PC26 Mkt Geotechnical Systems (USA)
MB804PC26 Mkt Geotechnical Systems (USA)
Related Parts
3110-00-007-3098INTERCHANGEABLE
BEARING,BALL,THRUST
5120-00-081-9074INTERCHANGEABLE
WRENCH,OPEN END
5935-00-133-2998INTERCHANGEABLE
JACK,TIP
5895-00-138-2112INTERCHANGEABLE
PANEL,INDICATOR
40408
4310-00-142-0706INTERCHANGEABLE
RING,PISTON
13587N
5310-00-186-0976INTERCHANGEABLE
WASHER,KEY
4320-00-218-6255INTERCHANGEABLE
CAP,PISTON SOCKET
29924
5330-00-241-5272INTERCHANGEABLE
GASKET
938435
6610-00-273-3016INTERCHANGEABLE
ALTIMETER,PRESSURE
5934PA-3
5950-00-280-4517INTERCHANGEABLE
TRANSFORMER,POWER
5330-00-285-8387INTERCHANGEABLE
SEAL,PLAIN ENCASED
1B2729
5330-00-290-6406INTERCHANGEABLE
SEAL,PLAIN ENCASED

Frequently Asked Questions

What is NSN 5330-00-154-8864?

NSN 5330-00-154-8864 is a Seal,plain Encased, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-154-8864?

NSN 5330-00-154-8864 has 43 cross-referenced part numbers: RT8100-126 (Jaeger Machine Co), AN1-4-1701-184PC36 (Philadelphia Naval Shipyard), 65958 (Fwd Seagrave Holdings Lp), MB2032APC36 (Mkt Geotechnical Systems), 1326 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc) and 38 more.

What NSN replaces 5330-00-154-8864?

There are 12 known substitutes for 5330-00-154-8864: 3110-00-007-3098, 5120-00-081-9074, 5935-00-133-2998 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 65958?

Key specifications for 65958: Case Style: SQUARE; Seal Width: 0.500 INCHES NOMINAL IN; Material: LEATHER SEALING ELEMENT; Material: STEEL CASE. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-154-8864 still in active supply?

NSN 5330-00-154-8864 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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