PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57-3-2Reducer,pipe

Admiral Valve Llc Dba Cpv Manufacturing · NSN 4730-01-628-3213 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-628-3213 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-628-3213. Primary manufacturer part number: 57-3-2.
Features
  • Reducer,pipe — FSC 4730
  • Reducer Type: CONCENTRIC
  • Nominal Overall Length: 1.312 INCHES IN
  • 1 verified cross-reference
  • Primary manufacturer: Admiral Valve Llc Dba Cpv Manufacturing
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-628-3213, 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 Admiral Valve Llc Dba Cpv Manufacturing. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-628-3213
Primary Part Number57-3-2
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAdmiral Valve Llc Dba Cpv Manufacturing
StatusACTIVE
Reducer TypeCONCENTRIC
Nominal Overall Length1.312 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5315-00-145-2368 INTERCHANGEABLE
Pin,bearing
3110-00-184-1004 INTERCHANGEABLE
Bearing,ball,annular
5360-00-326-46125732 INTERCHANGEABLE
Spring,helical,compression
Meggitt North Hollywood Inc
5330-00-383-7487400A00416 INTERCHANGEABLE
Gasket
Sealcraft Corporation
5950-00-790-01561981535 INTERCHANGEABLE
Transformer,radio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4320-00-872-4999 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
5975-00-879-4932 INTERCHANGEABLE
Junction Box
5365-01-208-62465732 INTERCHANGEABLE
Spacer,brake,motor
Edro Corporation, the Dba Edro Corp
4730-01-559-75135732 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
4920-01-596-47775732 INTERCHANGEABLE
Test Stand,electric,hydraulic an
Bauer, Inc.
Cross-Reference Index
Part NumberManufacturer
57-3-2 PRIMARY Admiral Valve Llc Dba Cpv Manufacturing (USA)
Related Parts
5315-00-145-2368INTERCHANGEABLE
PIN,BEARING
3110-00-184-1004INTERCHANGEABLE
BEARING,BALL,ANNULAR
5360-00-326-4612INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5732
5330-00-383-7487INTERCHANGEABLE
GASKET
400A00416
5950-00-790-0156INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
1981535
4320-00-872-4999INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
5975-00-879-4932INTERCHANGEABLE
JUNCTION BOX
5365-01-208-6246INTERCHANGEABLE
SPACER,BRAKE,MOTOR
5732
4730-01-559-7513INTERCHANGEABLE
CLAMP,HOSE
5732
4920-01-596-4777INTERCHANGEABLE
TEST STAND,ELECTRIC,HYDRAULIC AN
5732

Frequently Asked Questions

What is NSN 4730-01-628-3213?

NSN 4730-01-628-3213 is a Reducer,pipe, manufactured by Admiral Valve Llc Dba Cpv Manufacturing, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-628-3213?

NSN 4730-01-628-3213 has 1 cross-referenced part number: 57-3-2 (Admiral Valve Llc Dba Cpv Manufacturing).

What NSN replaces 4730-01-628-3213?

There are 10 known substitutes for 4730-01-628-3213: 5315-00-145-2368, 3110-00-184-1004, 5360-00-326-4612 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 57-3-2?

Key specifications for 57-3-2: Reducer Type: CONCENTRIC; Nominal Overall Length: 1.312 INCHES IN. 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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