PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57-3-1-SSReducer,pipe

Admiral Valve Llc Dba Cpv Manufacturing · NSN 4730-01-664-8192 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-664-8192 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-664-8192. Primary manufacturer part number: 57-3-1-SS.
Features
  • Reducer,pipe — FSC 4730
  • Nominal Overall Length: 1.500 INCHES IN
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: STEEL COMP 316L OVERALL
  • Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN
  • Connection Style: SOCKET (PIPE) FIRST END
  • Nominal Pipe Size Accommodated: 0.375 INCHES SECOND END IN
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 316l Overall construction
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-664-8192, 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 7 verified specifications, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-664-8192
Primary Part Number57-3-1-SS
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAdmiral Valve Llc Dba Cpv Manufacturing
StatusACTIVE
Nominal Overall Length1.500 INCHES IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL COMP 316L OVERALL
Nominal Pipe Size Accommodated0.500 INCHES FIRST END IN
Connection StyleSOCKET (PIPE) FIRST END
Nominal Pipe Size Accommodated0.375 INCHES SECOND END IN
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-202-34185731 INTERCHANGEABLE
Packing Material
Grimes Aerospace Company
6640-00-264-50246640002645024 INTERCHANGEABLE
Clamp,utility,laboratory
J & H Berge, Inc. Dba Lab Mart, the Div the Labmart
5930-00-359-5500 INTERCHANGEABLE
Switch,toggle
2915-00-439-04625731 INTERCHANGEABLE
Seal
Meggitt North Hollywood Inc
5306-01-101-04035731 INTERCHANGEABLE
Bolt,shoulder
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5305-01-110-5083 INTERCHANGEABLE
Screw
4810-01-171-6625N-NB25025-SMB00PN-6IN INTERCHANGEABLE
Valve,gate
Hunt Valve Company, Inc.
3120-01-186-7612 INTERCHANGEABLE
Bushing,sleeve
Cross-Reference Index
Part NumberManufacturer
57-3-1 Admiral Valve Llc Dba Cpv Manufacturing (USA)
57-3-1-SS PRIMARY Admiral Valve Llc Dba Cpv Manufacturing (USA)
Related Parts
5330-00-202-3418INTERCHANGEABLE
PACKING MATERIAL
5731
6640-00-264-5024INTERCHANGEABLE
CLAMP,UTILITY,LABORATORY
6640002645024
5930-00-359-5500INTERCHANGEABLE
SWITCH,TOGGLE
2915-00-439-0462INTERCHANGEABLE
SEAL
5731
5306-01-101-0403INTERCHANGEABLE
BOLT,SHOULDER
5731
5305-01-110-5083INTERCHANGEABLE
SCREW
4810-01-171-6625INTERCHANGEABLE
VALVE,GATE
N-NB25025-SMB00PN-6IN
3120-01-186-7612INTERCHANGEABLE
BUSHING,SLEEVE

Frequently Asked Questions

What is NSN 4730-01-664-8192?

NSN 4730-01-664-8192 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 4730-01-664-8192?

NSN 4730-01-664-8192 has 2 cross-referenced part numbers: 57-3-1 (Admiral Valve Llc Dba Cpv Manufacturing), 57-3-1-SS (Admiral Valve Llc Dba Cpv Manufacturing).

What NSN replaces 4730-01-664-8192?

There are 8 known substitutes for 4730-01-664-8192: 5330-00-202-3418, 6640-00-264-5024, 5930-00-359-5500 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 57-3-1-SS?

Key specifications for 57-3-1-SS: Nominal Overall Length: 1.500 INCHES IN; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: STEEL COMP 316L OVERALL; Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN. 7 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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