PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LF288A 3/8INBreaker,vacuum,flush Valve

Watts Regulator Company · NSN 4510-01-052-2809 · FSC 4510 · No Item Name Available
Verified by PartsTable
NSN 4510-01-052-2809 — this item is cataloged by the U.S. Government under National Stock Number 4510-01-052-2809. Primary manufacturer part number: LF288A 3/8IN.
Features
  • Breaker,vacuum,flush Valve — FSC 4510
  • Material: COPPER ALLOY
  • Outlet Connection Type: THREADED INTERNAL PIPE
  • Nominal Overall Length: 2.750 INCHES IN
  • Inlet Connection Size: 3/8
  • Outlet Connection Size: 3/8
  • 4 verified cross-references
  • Primary manufacturer: Watts Regulator Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Breaker,vacuum,flush Valve, cataloged under National Stock Number 4510-01-052-2809, is classified within Federal Supply Class 4510 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Watts Regulator Company. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4510-01-052-2809
Primary Part NumberLF288A 3/8IN
Item NameBreaker,vacuum,flush Valve
FSC / FSG4510 / 45 — No Item Name Available
ManufacturerWatts Regulator Company
StatusACTIVE
MaterialCOPPER ALLOY
Outlet Connection TypeTHREADED INTERNAL PIPE
Nominal Overall Length2.750 INCHES IN
Inlet Connection Size3/8
Outlet Connection Size3/8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6640-00-045-4900279 INTERCHANGEABLE
Head,laboratory Centrifuge
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
3110-00-100-0704279 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5360-00-249-8295 INTERCHANGEABLE
Spring,helical,torsion
5999-00-319-14359723629G2 INTERCHANGEABLE
Contact,electrical
General Electric Company
5331-00-579-8108124A745 INTERCHANGEABLE
O-Ring
Meggitt Troy Inc
5935-00-655-41682564490 INTERCHANGEABLE
Connector,receptacle,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5975-00-722-8421279 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5920-00-893-283114480 INTERCHANGEABLE
Discharger,electrostatic,aircraf
Dayton-Granger, Inc.
5935-00-999-6908 INTERCHANGEABLE
Connector,receptacle,electrical
5210-01-113-80746432 INTERCHANGEABLE
Gage Set,timing
Central Tools, Inc.
Cross-Reference Index
Part NumberManufacturer
LF288A 3/8IN Watts Regulator Company (USA)
288A 3/8IN Watts Regulator Company (USA)
27-9 Watts Regulator Company (USA)
288A-3/8IN Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
6640-00-045-4900INTERCHANGEABLE
HEAD,LABORATORY CENTRIFUGE
279
3110-00-100-0704INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
279
5360-00-249-8295INTERCHANGEABLE
SPRING,HELICAL,TORSION
5999-00-319-1435INTERCHANGEABLE
CONTACT,ELECTRICAL
9723629G2
5331-00-579-8108INTERCHANGEABLE
O-RING
124A745
5935-00-655-4168INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2564490
5975-00-722-8421INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
279
5920-00-893-2831INTERCHANGEABLE
DISCHARGER,ELECTROSTATIC,AIRCRAF
14480
5935-00-999-6908INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5210-01-113-8074INTERCHANGEABLE
GAGE SET,TIMING
6432
5935-01-152-1894INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3530-01-192-3000INTERCHANGEABLE
HOOK ASSEMBLY
C199R279

Frequently Asked Questions

What is NSN 4510-01-052-2809?

NSN 4510-01-052-2809 is a Breaker,vacuum,flush Valve, manufactured by Watts Regulator Company, classified under FSC 4510 (No Item Name Available). Status: active.

What are the part numbers for NSN 4510-01-052-2809?

NSN 4510-01-052-2809 has 4 cross-referenced part numbers: LF288A 3/8IN (Watts Regulator Company), 288A 3/8IN (Watts Regulator Company), 27-9 (Watts Regulator Company), 288A-3/8IN (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 4510-01-052-2809?

There are 12 known substitutes for 4510-01-052-2809: 6640-00-045-4900, 3110-00-100-0704, 5360-00-249-8295 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LF288A 3/8IN?

Key specifications for LF288A 3/8IN: Material: COPPER ALLOY; Outlet Connection Type: THREADED INTERNAL PIPE; Nominal Overall Length: 2.750 INCHES IN; Special Features: 282.0 DEG F TEMP AT 125 PSI WORKING PRESSURE DEGF. 6 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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