PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

633Seal,plain Encased

Carver Pump Company · NSN 5330-00-641-0991 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-641-0991 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-641-0991. Primary manufacturer part number: 633.
Features
  • Seal,plain Encased — FSC 5330
  • Material: STEEL CASE
  • Accommodated Shaft Diameter: 1.750 INCHES NOMINAL IN
  • Seal Width: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
  • Housing Bore Diameter: 2.623 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Case Style: SQUARE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-641-0991, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Carver Pump Company. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 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
NSN5330-00-641-0991
Primary Part Number633
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCarver Pump Company
StatusCANCELLED
MaterialSTEEL CASE
Accommodated Shaft Diameter1.750 INCHES NOMINAL IN
Seal Width0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
Housing Bore Diameter2.623 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Case StyleSQUARE
Sealing Element StyleANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1680-00-097-66916064-1 INTERCHANGEABLE
Ring,mounting,oil Tank
Cox & Company, Inc. Dba Cox & Co Inc
5136-00-156-3001 INTERCHANGEABLE
Chasers,thread Cutting
5310-00-209-171851376 INTERCHANGEABLE
Washer,flat
Hamilton Sundstrand Corporation Dba Collins Aerospace
5330-00-285-83990606910-8 INTERCHANGEABLE
Seal,plain Encased
New Holland Construction
1650-00-418-233760641 INTERCHANGEABLE
Parts Kit,hydraulic
Parker Hannifin Corporation Div Hydraulic Systems Division
2920-00-737-48971269011 INTERCHANGEABLE
Arm,spark Advance
Chrysler Realty Company Llc Dba Daimler Chrysler
6130-00-772-998861-4519 INTERCHANGEABLE
Rectifier,metallic
Dean Technology Inc. Dba Cke
2925-00-837-394451376 INTERCHANGEABLE
Connector,spark Plug
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
1680-00-994-939049224 INTERCHANGEABLE
Stop,seat Back
B E Aerospace Inc Services Div
7025-01-138-9023 INTERCHANGEABLE
Load Mechanism,head
Cross-Reference Index
Part NumberManufacturer
633 PRIMARY Carver Pump Company (USA)
60641 PRIMARY Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
51176 Cnh Industrial America Llc Dba Cnh America (USA)
49224 PRIMARY Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
614519 PRIMARY Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
806205 PRIMARY Clark Material Handling Company (USA)
206205 Clark Equipment Co (USA)
51376 Cnh Industrial America Llc Dba Cnh America (USA)
614519 Aqua-Chem Inc Cleaver-Brooks Div (USA)
Related Parts
1680-00-097-6691INTERCHANGEABLE
RING,MOUNTING,OIL TANK
6064-1
5136-00-156-3001INTERCHANGEABLE
CHASERS,THREAD CUTTING
5310-00-209-1718INTERCHANGEABLE
WASHER,FLAT
51376
5330-00-285-8399INTERCHANGEABLE
SEAL,PLAIN ENCASED
0606910-8
1650-00-418-2337INTERCHANGEABLE
PARTS KIT,HYDRAULIC
60641
2920-00-737-4897INTERCHANGEABLE
ARM,SPARK ADVANCE
1269011
6130-00-772-9988INTERCHANGEABLE
RECTIFIER,METALLIC
61-4519
2925-00-837-3944INTERCHANGEABLE
CONNECTOR,SPARK PLUG
51376
1680-00-994-9390INTERCHANGEABLE
STOP,SEAT BACK
49224
7025-01-138-9023INTERCHANGEABLE
LOAD MECHANISM,HEAD
5342-01-140-0376INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
6625-01-180-9262INTERCHANGEABLE
ANALYZER,ELECTRICAL PULSE

Frequently Asked Questions

What is NSN 5330-00-641-0991?

NSN 5330-00-641-0991 is a Seal,plain Encased, manufactured by Carver Pump Company, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-641-0991?

NSN 5330-00-641-0991 has 9 cross-referenced part numbers: 633 (Carver Pump Company), 60641 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 51176 (Cnh Industrial America Llc Dba Cnh America), 49224 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 614519 (Aqua-Chem, Inc. Dba Aqua-Chem Inc) and 4 more.

What NSN replaces 5330-00-641-0991?

There are 12 known substitutes for 5330-00-641-0991: 1680-00-097-6691, 5136-00-156-3001, 5310-00-209-1718 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 633?

Key specifications for 633: Material: STEEL CASE; Accommodated Shaft Diameter: 1.750 INCHES NOMINAL IN; Seal Width: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN; Housing Bore Diameter: 2.623 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-641-0991 still in active supply?

NSN 5330-00-641-0991 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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