PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P2-4Reducer,special

Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco · NSN 4730-01-549-0926 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-549-0926 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-549-0926. Primary manufacturer part number: P2-4.
Features
  • Reducer,special — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Reducer,special, cataloged under National Stock Number 4730-01-549-0926, 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 Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameReducer,special
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersAcro Aerospace Inc (CAGE L6538); Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco (CAGE 66774)
Technical Specifications
ParameterValue
NSN4730-01-549-0926
Primary Part NumberP2-4
Item NameReducer,special
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPrecision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5310-00-011-5547 INTERCHANGEABLE
Washer,lock
5950-00-050-694065700-90165-101 INTERCHANGEABLE
Transformer,audio Frequency
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
2940-00-072-0364C12233-7 INTERCHANGEABLE
Filter Element,intake Air Cleane
Farr Co
4730-00-287-4977P24 INTERCHANGEABLE
Plug,pipe
Meritor Industrial Products, Llc
4730-00-494-0873P24 INTERCHANGEABLE
Clamp,hose
Punch-Lok Co Div Pt Punch-Lok
6625-01-100-6733P24 INTERCHANGEABLE
Pin,penetrator
Service Diamond Tool Co
5999-01-101-5337P24 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
5977-01-128-6992515973-1 INTERCHANGEABLE
Brush Assy,motor
Honeywell International Inc. Div Aerospace - Torrance
7690-01-255-2832 INTERCHANGEABLE
Label
6110-01-546-9754P24 INTERCHANGEABLE
Starter,motor
Consew
Cross-Reference Index
Part NumberManufacturer
5217310H002 Acro Aerospace Inc (CAN)
P2-4 PRIMARY Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco (USA)
Related Parts
5310-00-011-5547INTERCHANGEABLE
WASHER,LOCK
5950-00-050-6940INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
65700-90165-101
2940-00-072-0364INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
C12233-7
4730-00-287-4977INTERCHANGEABLE
PLUG,PIPE
P24
4730-00-494-0873INTERCHANGEABLE
CLAMP,HOSE
P24
6625-01-100-6733INTERCHANGEABLE
PIN,PENETRATOR
P24
5999-01-101-5337INTERCHANGEABLE
HEATER,THERMAL RELEASE
P24
5977-01-128-6992INTERCHANGEABLE
BRUSH ASSY,MOTOR
515973-1
7690-01-255-2832INTERCHANGEABLE
LABEL
6110-01-546-9754INTERCHANGEABLE
STARTER,MOTOR
P24
5440-01-552-8091INTERCHANGEABLE
LADDER,EXTENSION
P-24

Frequently Asked Questions

What is NSN 4730-01-549-0926?

NSN 4730-01-549-0926 is a Reducer,special, manufactured by Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-549-0926?

NSN 4730-01-549-0926 has 2 cross-referenced part numbers: 5217310H002 (Acro Aerospace Inc), P2-4 (Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco).

What NSN replaces 4730-01-549-0926?

There are 11 known substitutes for 4730-01-549-0926: 5310-00-011-5547, 5950-00-050-6940, 2940-00-072-0364 and 8 more. Verify interchangeability with system specifications before substitution.

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