PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

241-03Plunger,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-154-1277 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-154-1277 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-154-1277. Primary manufacturer part number: 241-03.
Features
  • Plunger,valve — FSC 4820
  • General Characteristics Item Description: BRASS,2.938 LG.,MAJOR OD 1.000
  • 2 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Plunger,valve, cataloged under National Stock Number 4820-01-154-1277, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-154-1277
Primary Part Number241-03
Item NamePlunger,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusCANCELLED
General Characteristics Item DescriptionBRASS,2.938 LG.,MAJOR OD 1.000
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4310-00-055-1636 INTERCHANGEABLE
Connecting Rod,piston
5930-00-075-0456512779-3 INTERCHANGEABLE
Switch,rotary
Instruments and Flight Research, Inc.
5133-00-189-9269 INTERCHANGEABLE
Drill,twist
5120-00-293-3509 INTERCHANGEABLE
Punch,center,solid
5950-00-727-1363 INTERCHANGEABLE
Coil,radio Frequency
5355-00-762-1489MS91528-0E1B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6110-01-145-274624103 INTERCHANGEABLE
Starter,motor
Ward Leonard Ct Llc
5340-01-157-139524103 INTERCHANGEABLE
Mount,resilient,utility
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
6515-01-165-6705241.03 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5325-01-169-549727924 INTERCHANGEABLE
Ring,retaining
Paccar Winch Inc Dba Paccar Winch Division
Cross-Reference Index
Part NumberManufacturer
241-03 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
241 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
4310-00-055-1636INTERCHANGEABLE
CONNECTING ROD,PISTON
5930-00-075-0456INTERCHANGEABLE
SWITCH,ROTARY
512779-3
5133-00-189-9269INTERCHANGEABLE
DRILL,TWIST
5120-00-293-3509INTERCHANGEABLE
PUNCH,CENTER,SOLID
5950-00-727-1363INTERCHANGEABLE
COIL,RADIO FREQUENCY
5355-00-762-1489INTERCHANGEABLE
KNOB
MS91528-0E1B
6110-01-145-2746INTERCHANGEABLE
STARTER,MOTOR
24103
5340-01-157-1395INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
24103
6515-01-165-6705INTERCHANGEABLE
BONE PLATE
241.03
5325-01-169-5497INTERCHANGEABLE
RING,RETAINING
27924
5915-01-342-0741INTERCHANGEABLE
FILTER,LOW PASS
3452601-1
8470-01-506-6386INTERCHANGEABLE
HELMET,ADVANCED COMBAT

Frequently Asked Questions

What is NSN 4820-01-154-1277?

NSN 4820-01-154-1277 is a Plunger,valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-154-1277?

NSN 4820-01-154-1277 has 2 cross-referenced part numbers: 241-03 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 241 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-154-1277?

There are 12 known substitutes for 4820-01-154-1277: 4310-00-055-1636, 5930-00-075-0456, 5133-00-189-9269 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 241-03?

Key specifications for 241-03: General Characteristics Item Description: BRASS,2.938 LG.,MAJOR OD 1.000. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-154-1277 still in active supply?

NSN 4820-01-154-1277 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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