PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

288047Seal,plain Encased

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5330-00-641-6975 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-641-6975 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-641-6975. Primary manufacturer part number: 288047.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • FSC Application Data: ENGINE,ACFT,RECIPROCATING
  • Seal Width: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
  • Accommodated Shaft Diameter: 0.750 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Material: STEEL CASE
  • Accommodated Shaft Maximum Rated Speed: 3000 FEET PER MINUTE FT
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 5330-00-641-6975, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-641-6975
Primary Part Number288047
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Sealing Element StyleANGULAR
FSC Application DataENGINE,ACFT,RECIPROCATING
Seal Width0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
Accommodated Shaft Diameter0.750 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
MaterialSTEEL CASE
Accommodated Shaft Maximum Rated Speed3000 FEET PER MINUTE FT
Housing Bore Diameter1.377 INCHES MINIMUM AND 1.381 INCHES MAXIMUM IN
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5330-00-026-339537819 INTERCHANGEABLE
Gasket
A. O. Smith Corporation Dba a O Smith Corp
5365-00-558-1644 INTERCHANGEABLE
Spacer,ring
4820-00-621-5755N3781994 INTERCHANGEABLE
Diaphragm,valve,flat
Leslie Controls, Inc. Dba Leslie Controls Inc
5307-00-881-244137819 INTERCHANGEABLE
Stud,plain
L3harris Technologies, Inc. Div Space and Airborne Systems
3110-00-902-3758071006 INTERCHANGEABLE
Bearing,roller,needle
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
4820-01-096-8899 INTERCHANGEABLE
Piston,valve
4710-01-396-518037819 INTERCHANGEABLE
Tube and Fittings,metallic
Exstar International Corporation
6150-01-412-765737819 INTERCHANGEABLE
Wiring Harness,branched
Tld Wollard Llc
5331-01-416-550037819 INTERCHANGEABLE
O-Ring
Alfa Laval Inc
5977-01-590-507637819 INTERCHANGEABLE
Arm,electrical Contact Brush
Evoqua Water Technologies Llc
Cross-Reference Index
Part NumberManufacturer
288047 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
37819 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
37819 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5330-00-026-3395INTERCHANGEABLE
GASKET
37819
5365-00-558-1644INTERCHANGEABLE
SPACER,RING
4820-00-621-5755INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
N3781994
5307-00-881-2441INTERCHANGEABLE
STUD,PLAIN
37819
3110-00-902-3758INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
071006
4820-01-096-8899INTERCHANGEABLE
PISTON,VALVE
4710-01-396-5180INTERCHANGEABLE
TUBE AND FITTINGS,METALLIC
37819
6150-01-412-7657INTERCHANGEABLE
WIRING HARNESS,BRANCHED
37819
5331-01-416-5500INTERCHANGEABLE
O-RING
37819
5977-01-590-5076INTERCHANGEABLE
ARM,ELECTRICAL CONTACT BRUSH
37819

Frequently Asked Questions

What is NSN 5330-00-641-6975?

NSN 5330-00-641-6975 is a Seal,plain Encased, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-641-6975?

NSN 5330-00-641-6975 has 3 cross-referenced part numbers: 288047 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 37819 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 37819 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5330-00-641-6975?

There are 10 known substitutes for 5330-00-641-6975: 5330-00-026-3395, 5365-00-558-1644, 4820-00-621-5755 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 288047?

Key specifications for 288047: Sealing Element Style: ANGULAR; FSC Application Data: ENGINE,ACFT,RECIPROCATING; Seal Width: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN; Accommodated Shaft Diameter: 0.750 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-641-6975 still in active supply?

NSN 5330-00-641-6975 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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