PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21272Seal,plain Encased

Prestolite Electric Inc · NSN 5330-00-252-5736 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-252-5736 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-252-5736. Primary manufacturer part number: 21272.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Sealing Element Style: ANGULAR
  • Material: LEATHER SEALING ELEMENT
  • Case Style: SQUARE
  • Accommodated Shaft Diameter: 1.438 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Seal Width: 0.250 INCHES NOMINAL IN
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 5330-00-252-5736, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-252-5736
Primary Part Number21272
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Sealing Element StyleANGULAR
MaterialLEATHER SEALING ELEMENT
Case StyleSQUARE
Accommodated Shaft Diameter1.438 INCHES NOMINAL IN
MaterialSTEEL CASE
Seal Width0.250 INCHES NOMINAL IN
Housing Bore Diameter2.374 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2995-00-076-476221272 INTERCHANGEABLE
Conduit,cable Inlet
Triumph Controls, Llc Dba Triumph Controls, Llc
5110-00-243-25085110-00-243-2508 INTERCHANGEABLE
File Holder
General Services Administration Federal Supply Service
1650-00-699-102021272 INTERCHANGEABLE
Plunger,switch
Eaton Corp Dba Eaton Aerospace Jackson
2990-01-277-2503212-72 INTERCHANGEABLE
Timer Switch,exhaust Gas Recircu
General Motors Llc Dba General Motors Llc
4810-01-512-545321272-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5310-01-591-132221272 INTERCHANGEABLE
Washer,lock
Brunswick Corp Dba Mercury Marine Div Mercury Marine
5325-01-606-025121272 INTERCHANGEABLE
Stud,turnlock Fastener
Gaylord Marine Services, Inc.
Cross-Reference Index
Part NumberManufacturer
21272 Prestolite Electric Inc (USA)
3238998 General Motors Corp Electro-Motive Div (USA)
3238998 Hatch & Kirk, Inc. (USA)
237G114 Prestolite Electric Inc (USA)
237G114 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
2995-00-076-4762INTERCHANGEABLE
CONDUIT,CABLE INLET
21272
5110-00-243-2508INTERCHANGEABLE
FILE HOLDER
5110-00-243-2508
1650-00-699-1020INTERCHANGEABLE
PLUNGER,SWITCH
21272
2990-01-277-2503INTERCHANGEABLE
TIMER SWITCH,EXHAUST GAS RECIRCU
212-72
4810-01-512-5453INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21272-001
5310-01-591-1322INTERCHANGEABLE
WASHER,LOCK
21272
5325-01-606-0251INTERCHANGEABLE
STUD,TURNLOCK FASTENER
21272

Frequently Asked Questions

What is NSN 5330-00-252-5736?

NSN 5330-00-252-5736 is a Seal,plain Encased, manufactured by Prestolite Electric Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-252-5736?

NSN 5330-00-252-5736 has 5 cross-referenced part numbers: 21272 (Prestolite Electric Inc), 3238998 (General Motors Corp Electro-Motive Div), 3238998 (Hatch & Kirk, Inc.), 237G114 (Prestolite Electric Inc), 237G114 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-252-5736?

There are 7 known substitutes for 5330-00-252-5736: 2995-00-076-4762, 5110-00-243-2508, 1650-00-699-1020 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21272?

Key specifications for 21272: Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Sealing Element Style: ANGULAR; Material: LEATHER SEALING ELEMENT; Case Style: SQUARE. 8 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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