PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SF-1-S20INTrap,steam

Nicholson Steam Trap Inc · NSN 4730-01-218-8213 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-218-8213 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-218-8213. Primary manufacturer part number: SF-1-S20IN.
Features
  • Trap,steam — FSC 4730
  • Body Design: ANGLE PATTERN
  • Maximum Steam Working Pressure: 50.0 NON-MERCURY ALTERNATIVE - LABORATORY CHEMICALS - FIXATIVES, STAINS, REAGENTS, PRESERVATIVES
  • Rated Capacity at Maximum Working Pressure: 1075.0 POUNDS OF WATER PER HOUR LBS
  • Material: STEEL CORROSION RESISTING OVERALL
  • 4 verified cross-references
  • Primary manufacturer: Nicholson Steam Trap Inc
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Trap,steam, cataloged under National Stock Number 4730-01-218-8213, 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 Nicholson Steam Trap Inc. Government technical data includes 4 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-218-8213
Primary Part NumberSF-1-S20IN
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNicholson Steam Trap Inc
StatusACTIVE
Body DesignANGLE PATTERN
Maximum Steam Working Pressure50.0 NON-MERCURY ALTERNATIVE - LABORATORY CHEMICALS - FIXATIVES, STAINS, REAGENTS, PRESERVATIVES
Rated Capacity at Maximum Working Pressure1075.0 POUNDS OF WATER PER HOUR LBS
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4320-00-097-0842 INTERCHANGEABLE
Ring,wearing
6930-00-156-07975724 INTERCHANGEABLE
Spring Assembly,cen
Cae Usa Inc.
4730-00-371-4999005724 INTERCHANGEABLE
Strainer Element,sediment
Caterpillar Inc Div Caterpillar Defense
4730-01-102-0787W10869-12 INTERCHANGEABLE
Clamp,hose
Hobart Bros Co
5330-01-186-9326 INTERCHANGEABLE
Gasket
5950-01-596-54155724 INTERCHANGEABLE
Coil,radio Frequency
Bell Industries Inc J W Miller Magnetics Div
1680-01-648-51615724 INTERCHANGEABLE
Lcs Coolant Pump
Pacific Design Technologies, Inc. Dba Pacific Design Technologies
Cross-Reference Index
Part NumberManufacturer
5724 Nicholson Steam Trap Inc (USA)
19-6005-1625 Lockheed Corp Lockheed Shipbuilding and Construction Co (USA)
SF-1-S20IN PRIMARY Nicholson Steam Trap Inc (USA)
SF-1-S20IN-MIL-T-960 Nicholson Steam Trap Inc (USA)
Related Parts
4320-00-097-0842INTERCHANGEABLE
RING,WEARING
6930-00-156-0797INTERCHANGEABLE
SPRING ASSEMBLY,CEN
5724
4730-00-371-4999INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
005724
4730-01-102-0787INTERCHANGEABLE
CLAMP,HOSE
W10869-12
5330-01-186-9326INTERCHANGEABLE
GASKET
5950-01-596-5415INTERCHANGEABLE
COIL,RADIO FREQUENCY
5724
1680-01-648-5161INTERCHANGEABLE
LCS COOLANT PUMP
5724

Frequently Asked Questions

What is NSN 4730-01-218-8213?

NSN 4730-01-218-8213 is a Trap,steam, manufactured by Nicholson Steam Trap Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-218-8213?

NSN 4730-01-218-8213 has 4 cross-referenced part numbers: 5724 (Nicholson Steam Trap Inc), 19-6005-1625 (Lockheed Corp Lockheed Shipbuilding and Construction Co), SF-1-S20IN (Nicholson Steam Trap Inc), SF-1-S20IN-MIL-T-960 (Nicholson Steam Trap Inc).

What NSN replaces 4730-01-218-8213?

There are 7 known substitutes for 4730-01-218-8213: 4320-00-097-0842, 6930-00-156-0797, 4730-00-371-4999 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SF-1-S20IN?

Key specifications for SF-1-S20IN: Body Design: ANGLE PATTERN; Maximum Steam Working Pressure: 50.0 NON-MERCURY ALTERNATIVE - LABORATORY CHEMICALS - FIXATIVES, STAINS, REAGENTS, PRESERVATIVES; Rated Capacity at Maximum Working Pressure: 1075.0 POUNDS OF WATER PER HOUR LBS; Material: STEEL CORROSION RESISTING OVERALL. 4 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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