PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2181Parts Kit,steam Trap

Plenty Inc · NSN 4730-00-956-8444 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-956-8444 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-956-8444. Primary manufacturer part number: 2181.
Features
  • Parts Kit,steam Trap — FSC 4730
  • Component Quantity: 7
  • Nonsupply Items and Quantities: 300 PSI STEEL ELEMENT ASSY 1;STEEL THD STUDS 2;STEEL WASHER 2;STEEL HEX NUTS 2
  • 2 verified cross-references
  • Primary manufacturer: Plenty Inc
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Parts Kit,steam Trap, cataloged under National Stock Number 4730-00-956-8444, 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 Plenty Inc. Government technical data includes 2 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-956-8444
Primary Part Number2181
Item NameParts Kit,steam Trap
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPlenty Inc
StatusACTIVE
Component Quantity7
Nonsupply Items and Quantities300 PSI STEEL ELEMENT ASSY 1;STEEL THD STUDS 2;STEEL WASHER 2;STEEL HEX NUTS 2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-224-8956 INTERCHANGEABLE
Handle,bow
5315-00-252-59662-181 INTERCHANGEABLE
Key,woodruff
Precision Aerospace Corporation Dba Precision Engine Control
4240-00-258-20542181 INTERCHANGEABLE
Goggles,industrial
Iso Group Inc Dba Iso Group Inc
6515-00-364-092010-2530 INTERCHANGEABLE
Scissors,general Surgical
Boss Instruments, Limited Inc
5999-00-581-34149000S6202-742907YPE3JR5-3A INTERCHANGEABLE
Light-Switch Assembly
Naval Ship Systems Command
3120-00-661-79802181 INTERCHANGEABLE
Bearing,sleeve
Weil Pump Co Inc
6550-00-926-22062181 INTERCHANGEABLE
Test Strips and Color Chart,bloo
Bayer Healthcare Llc Dba Bayer Healthcare-Viterion
6240-00-949-8109CM2181 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
6670-01-085-9745 INTERCHANGEABLE
Scale,weighing
4935-01-093-11682181 INTERCHANGEABLE
Multiplexer Assembl
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
2181 Velan Valve Corp. (USA)
2181 PRIMARY Plenty Inc (USA)
Related Parts
5340-00-224-8956INTERCHANGEABLE
HANDLE,BOW
5315-00-252-5966INTERCHANGEABLE
KEY,WOODRUFF
2-181
4240-00-258-2054INTERCHANGEABLE
GOGGLES,INDUSTRIAL
2181
6515-00-364-0920INTERCHANGEABLE
SCISSORS,GENERAL SURGICAL
10-2530
5999-00-581-3414INTERCHANGEABLE
LIGHT-SWITCH ASSEMBLY
9000S6202-742907YPE3JR5-3A
3120-00-661-7980INTERCHANGEABLE
BEARING,SLEEVE
2181
6550-00-926-2206INTERCHANGEABLE
TEST STRIPS AND COLOR CHART,BLOO
2181
6240-00-949-8109INTERCHANGEABLE
LAMP,INCANDESCENT
CM2181
6670-01-085-9745INTERCHANGEABLE
SCALE,WEIGHING
4935-01-093-1168INTERCHANGEABLE
MULTIPLEXER ASSEMBL
2181
6145-01-117-6361INTERCHANGEABLE
BRAID,WIRE
5340-01-224-3710INTERCHANGEABLE
BUMPER
2181-103

Frequently Asked Questions

What is NSN 4730-00-956-8444?

NSN 4730-00-956-8444 is a Parts Kit,steam Trap, manufactured by Plenty Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-956-8444?

NSN 4730-00-956-8444 has 2 cross-referenced part numbers: 2181 (Velan Valve Corp.), 2181 (Plenty Inc).

What NSN replaces 4730-00-956-8444?

There are 12 known substitutes for 4730-00-956-8444: 5340-00-224-8956, 5315-00-252-5966, 4240-00-258-2054 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2181?

Key specifications for 2181: Component Quantity: 7; Nonsupply Items and Quantities: 300 PSI STEEL ELEMENT ASSY 1;STEEL THD STUDS 2;STEEL WASHER 2;STEEL HEX NUTS 2. 2 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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