PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

2171Parts Kit,steam Trap

Name: 2171
SKU: 4730-00-604-1903

Plenty Inc · NSN 4730-00-604-1903 · FSC 4730 · No Item Name Available

Verified by PartsTable

NSN 4730-00-604-1903 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-604-1903. Primary manufacturer part number: 2171.

4730-00-604-1903 — No Item Name Available illustration

Features

Parts Kit,steam Trap — FSC 4730
Component Quantity: 2
Nonsupply Items and Quantities: STEEL FLAT ELEMENT,SIX-PLATE,0-100 PSI 1;BI-METAL ELEMENT,SIX-PLATE,0-100 PSI 1
Component Document Origin: INDUSTRIAL
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 4730-00-604-1903, 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 3 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

Parameter	Value
NSN	4730-00-604-1903
Primary Part Number	2171
Item Name	Parts Kit,steam Trap
FSC / FSG	4730 / 47 — No Item Name Available
Manufacturer	Plenty Inc
Status	ACTIVE
Component Quantity	2
Nonsupply Items and Quantities	STEEL FLAT ELEMENT,SIX-PLATE,0-100 PSI 1;BI-METAL ELEMENT,SIX-PLATE,0-100 PSI 1
Component Document Origin	INDUSTRIAL

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 12

4320-00-147-86962171 INTERCHANGEABLE

Impeller,pump,centrifugal

Gusher Pumps

8345-00-151-660421-71 INTERCHANGEABLE

Streamer Set Attachment,award

Navy Clothing and Textile Research Facility Natick Laboratories

5120-00-221-114717-1 INTERCHANGEABLE

Punch and Die,grommet Inserting

Wilson Corporation, Inc. Dba Hollingsworth Mfg. Co. Div Hollingsworth Mfg.

9540-00-251-2651 INTERCHANGEABLE

Angle,structural

5325-00-285-8362 INTERCHANGEABLE

Grommet,nonmetallic

4820-00-328-32832171 INTERCHANGEABLE

Cock,poppet Drain

Parker Hannifin Corporation Div Aerospace Group Headquarters

6160-00-444-2198SMB531943 INTERCHANGEABLE

Retainer,battery

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir

5910-00-563-6790 INTERCHANGEABLE

Capacitor,variable,air Dielectri

6145-00-728-4026 INTERCHANGEABLE

Braid,wire

5940-00-736-7395 INTERCHANGEABLE

Terminal Board

Cross-Reference Index

Part Number	Manufacturer
2171	Velan Valve Corp. (USA)
2171 PRIMARY	Plenty Inc (USA)

Related Parts

4320-00-147-8696INTERCHANGEABLE

IMPELLER,PUMP,CENTRIFUGAL

2171

8345-00-151-6604INTERCHANGEABLE

STREAMER SET ATTACHMENT,AWARD

21-71

5120-00-221-1147INTERCHANGEABLE

PUNCH AND DIE,GROMMET INSERTING

17-1

9540-00-251-2651INTERCHANGEABLE

ANGLE,STRUCTURAL

5325-00-285-8362INTERCHANGEABLE

GROMMET,NONMETALLIC

4820-00-328-3283INTERCHANGEABLE

COCK,POPPET DRAIN

2171

6160-00-444-2198INTERCHANGEABLE

RETAINER,BATTERY

SMB531943

5910-00-563-6790INTERCHANGEABLE

CAPACITOR,VARIABLE,AIR DIELECTRI

6145-00-728-4026INTERCHANGEABLE

BRAID,WIRE

5940-00-736-7395INTERCHANGEABLE

TERMINAL BOARD

5330-00-805-8379INTERCHANGEABLE

SEAL,PLAIN ENCASED

21158-2171

5325-01-376-8637INTERCHANGEABLE

GROMMET,NONMETALLIC

217-00100

Frequently Asked Questions

What is NSN 4730-00-604-1903?

NSN 4730-00-604-1903 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 4730-00-604-1903?

NSN 4730-00-604-1903 has 2 cross-referenced part numbers: 2171 (Velan Valve Corp.), 2171 (Plenty Inc).

What NSN replaces 4730-00-604-1903?

There are 12 known substitutes for 4730-00-604-1903: 4320-00-147-8696, 8345-00-151-6604, 5120-00-221-1147 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2171?

Key specifications for 2171: Component Quantity: 2; Nonsupply Items and Quantities: STEEL FLAT ELEMENT,SIX-PLATE,0-100 PSI 1;BI-METAL ELEMENT,SIX-PLATE,0-100 PSI 1; Component Document Origin: INDUSTRIAL. 3 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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