PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

542012Seal,plain Encased

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5330-00-939-8376 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-939-8376 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-939-8376. Primary manufacturer part number: 542012.
Features
  • Seal,plain Encased — FSC 5330
  • Material: STEEL COMP 303 OR STEEL COMP 302 CASE
  • Material Document and Classification: AMS 5640 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5516 ASSN STD 2ND MATERIAL RESPONSE CASE
  • Surface Treatment: PLASTIC POLYTETRAFLUOROETHYLENE CASE
  • 1 verified cross-reference
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Comp 303 or Steel Comp 302 Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-939-8376, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-939-8376
Primary Part Number542012
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
MaterialSTEEL COMP 303 OR STEEL COMP 302 CASE
Material Document and ClassificationAMS 5640 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5516 ASSN STD 2ND MATERIAL RESPONSE CASE
Surface TreatmentPLASTIC POLYTETRAFLUOROETHYLENE CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5920-00-875-4100 INTERCHANGEABLE
Fuseholder,extractor Post
4320-01-334-8088542015 INTERCHANGEABLE
Pump Unit,centrifugal
Little Giant Pump Co
Cross-Reference Index
Part NumberManufacturer
542012 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5920-00-875-4100INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
4320-01-334-8088INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
542015

Frequently Asked Questions

What is NSN 5330-00-939-8376?

NSN 5330-00-939-8376 is a Seal,plain Encased, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-939-8376?

NSN 5330-00-939-8376 has 1 cross-referenced part number: 542012 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5330-00-939-8376?

There are 2 known substitutes for 5330-00-939-8376: 5920-00-875-4100, 4320-01-334-8088. Verify interchangeability with system specifications before substitution.

What are the specifications of 542012?

Key specifications for 542012: Special Features: GRAPHITIC CARBON MATERIAL; End Item Identification: J-52 AIRCRAFT ENGINE; Material: STEEL COMP 303 OR STEEL COMP 302 CASE; Material Document and Classification: AMS 5640 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5516 ASSN STD 2ND MATERIAL RESPONSE CASE. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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