PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52W1172-8Seal,plain Encased

Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba · NSN 5330-00-257-6189 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-257-6189 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-257-6189. Primary manufacturer part number: 52W1172-8.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Case Style: RECESSED
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Temp Rating: -50.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
  • Housing Bore Diameter: 7.000 INCHES NOMINAL IN
  • Seal Width: 0.625 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 5.750 INCHES NOMINAL IN
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 5330-00-257-6189, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-257-6189
Primary Part Number52W1172-8
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
StatusACTIVE
Sealing Element StyleANGULAR
Case StyleRECESSED
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Temp Rating-50.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
Housing Bore Diameter7.000 INCHES NOMINAL IN
Seal Width0.625 INCHES NOMINAL IN
Accommodated Shaft Diameter5.750 INCHES NOMINAL IN
MaterialSTEEL CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-154-8487 INTERCHANGEABLE
Seal,plain Encased
Cross-Reference Index
Part NumberManufacturer
52W1172-8 Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA)
52W1172-8 Bliss E W Co Gulf and Western Mfg Co Sub of Gulf and Western Industries (USA)
Related Parts
5330-00-154-8487INTERCHANGEABLE
SEAL,PLAIN ENCASED

Frequently Asked Questions

What is NSN 5330-00-257-6189?

NSN 5330-00-257-6189 is a Seal,plain Encased, manufactured by Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-257-6189?

NSN 5330-00-257-6189 has 2 cross-referenced part numbers: 52W1172-8 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba), 52W1172-8 (Bliss E W Co Gulf and Western Mfg Co Sub of Gulf and Western Industries).

What NSN replaces 5330-00-257-6189?

There is 1 known substitute for 5330-00-257-6189: 5330-00-154-8487. Verify interchangeability with system specifications before substitution.

What are the specifications of 52W1172-8?

Key specifications for 52W1172-8: Special Features: WITH PROTECTIVE INNER CASE; Sealing Element Style: ANGULAR; Case Style: RECESSED; Material: RUBBER SYNTHETIC SEALING ELEMENT. 9 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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