PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

451-1/2Strainer Element,sediment

Piping Specialties Inc · NSN 4730-01-645-3302 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-645-3302 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-645-3302. Primary manufacturer part number: 451-1/2.
Features
  • Strainer Element,sediment — FSC 4730
  • 3 verified cross-references
  • Primary manufacturer: Piping Specialties Inc
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Strainer Element,sediment, cataloged under National Stock Number 4730-01-645-3302, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Piping Specialties Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameStrainer Element,sediment
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersPiping Specialties Inc (CAGE 7W819); Core Industries Inc. Dba Mueller Steam Specialty (CAGE 76588); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003)
Technical Specifications
ParameterValue
NSN4730-01-645-3302
Primary Part Number451-1/2
Item NameStrainer Element,sediment
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPiping Specialties Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-034-637245112A INTERCHANGEABLE
Board Assembly
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
3455-00-232-903258-10119 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5120-00-289-90355120-00-289-9035 INTERCHANGEABLE
Shovel,hand
General Services Administration Federal Supply Service
4820-00-322-23934511-2 INTERCHANGEABLE
Valve,seat
Avox Systems Inc Dba Avox Systems Inc
5930-00-501-485945-112 INTERCHANGEABLE
Switch,toggle
Raytheon Company Dba Raytheon Co
5331-00-599-0950 INTERCHANGEABLE
O-Ring
5955-00-789-811445112 INTERCHANGEABLE
Oscillator,noncrystal Controlled
L3harris Technologies, Inc. Div Space and Airborne Systems
4820-00-827-3266 INTERCHANGEABLE
Valve,gate
4820-01-011-8263 INTERCHANGEABLE
Seat,valve
6515-01-377-3738 INTERCHANGEABLE
Razor,surgical Preparation
Cross-Reference Index
Part NumberManufacturer
451-1/2 PRIMARY Piping Specialties Inc (USA)
451-1/2 PRIMARY Core Industries Inc. Dba Mueller Steam Specialty (USA)
5SE00523-1 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
6625-00-034-6372INTERCHANGEABLE
BOARD ASSEMBLY
45112A
3455-00-232-9032INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10119
5120-00-289-9035INTERCHANGEABLE
SHOVEL,HAND
5120-00-289-9035
4820-00-322-2393INTERCHANGEABLE
VALVE,SEAT
4511-2
5930-00-501-4859INTERCHANGEABLE
SWITCH,TOGGLE
45-112
5331-00-599-0950INTERCHANGEABLE
O-RING
5955-00-789-8114INTERCHANGEABLE
OSCILLATOR,NONCRYSTAL CONTROLLED
45112
4820-00-827-3266INTERCHANGEABLE
VALVE,GATE
4820-01-011-8263INTERCHANGEABLE
SEAT,VALVE
6515-01-377-3738INTERCHANGEABLE
RAZOR,SURGICAL PREPARATION
5120-01-431-2717INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6230-01-584-1831INTERCHANGEABLE
SEARCHLIGHT
45112

Frequently Asked Questions

What is NSN 4730-01-645-3302?

NSN 4730-01-645-3302 is a Strainer Element,sediment, manufactured by Piping Specialties Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-645-3302?

NSN 4730-01-645-3302 has 3 cross-referenced part numbers: 451-1/2 (Piping Specialties Inc), 451-1/2 (Core Industries Inc. Dba Mueller Steam Specialty), 5SE00523-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 4730-01-645-3302?

There are 12 known substitutes for 4730-01-645-3302: 6625-00-034-6372, 3455-00-232-9032, 5120-00-289-9035 and 9 more. Verify interchangeability with system specifications before substitution.

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