PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12-015Valve,expansion

Van Steenburgh Engineering Laboratories, Inc · NSN 4820-01-605-2978 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-605-2978 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-605-2978. Primary manufacturer part number: 12-015.
Features
  • Valve,expansion — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Van Steenburgh Engineering Laboratories, Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,expansion, cataloged under National Stock Number 4820-01-605-2978, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Van Steenburgh Engineering Laboratories, Inc. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-01-605-2978
Primary Part Number12-015
Item NameValve,expansion
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVan Steenburgh Engineering Laboratories, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-159-9450AMBA 6 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
4320-00-344-85971205-412-1 INTERCHANGEABLE
Piston,pump
Illinois Tool Works Inc.
5905-00-471-61231201-5 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Mission Systems Davenport Inc.
5815-00-610-7814SM-C-187680 INTERCHANGEABLE
Holder,number Tape
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1650-00-838-782712015 INTERCHANGEABLE
Cap,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4440-00-858-601010-30270-501 INTERCHANGEABLE
Dehydrator Unit,nonreactivating
The Boeing Company Div Defense
5315-00-906-962812015 INTERCHANGEABLE
Pin,shoulder,headless
Parker-Hannifin Corporation Dba Control Systems Division
5998-01-033-6367 INTERCHANGEABLE
Circuit Card Assembly
5355-01-104-1103KN500BA-1/8 INTERCHANGEABLE
Knob
Te Connectivity Corporation
5305-01-138-3962 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
12-015 PRIMARY Van Steenburgh Engineering Laboratories, Inc (USA)
Related Parts
3110-00-159-9450INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
AMBA 6
4320-00-344-8597INTERCHANGEABLE
PISTON,PUMP
1205-412-1
5905-00-471-6123INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
1201-5
5815-00-610-7814INTERCHANGEABLE
HOLDER,NUMBER TAPE
SM-C-187680
1650-00-838-7827INTERCHANGEABLE
CAP,VALVE
12015
4440-00-858-6010INTERCHANGEABLE
DEHYDRATOR UNIT,NONREACTIVATING
10-30270-501
5315-00-906-9628INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
12015
5998-01-033-6367INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5355-01-104-1103INTERCHANGEABLE
KNOB
KN500BA-1/8
5305-01-138-3962INTERCHANGEABLE
SCREW,MACHINE
2530-01-252-2697INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
12015
4520-01-268-1947INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
31015

Frequently Asked Questions

What is NSN 4820-01-605-2978?

NSN 4820-01-605-2978 is a Valve,expansion, manufactured by Van Steenburgh Engineering Laboratories, Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-605-2978?

NSN 4820-01-605-2978 has 1 cross-referenced part number: 12-015 (Van Steenburgh Engineering Laboratories, Inc).

What NSN replaces 4820-01-605-2978?

There are 12 known substitutes for 4820-01-605-2978: 3110-00-159-9450, 4320-00-344-8597, 5905-00-471-6123 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12-015?

Key specifications for 12-015: Special Features: LENGTH: 9 IN; WIDTH: 6 IN; WEIGHT: 1.0 LBS LBS; End Item Identification: CONSOL GSE. 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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