PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31004-8Cock,poppet Drain

Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc · NSN 4820-01-331-2823 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-331-2823 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-331-2823. Primary manufacturer part number: 31004-8.
Features
  • Cock,poppet Drain — FSC 4820
  • Connection Type: THREADED EXTERNAL PIPE ALL ENDS
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Media for Which Designed: OIL, HYDRAULIC SINGLE RESPONSE
  • Style Designator: STRAIGHT THRU
  • Valve Operation Method: MANUAL
  • 2 verified cross-references
  • Primary manufacturer: Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Cock,poppet Drain, cataloged under National Stock Number 4820-01-331-2823, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-331-2823
Primary Part Number31004-8
Item NameCock,poppet Drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTecumseh Products Company Llc Div Tecumseh Compressor Co. Llc
StatusACTIVE
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Connection StylePLAIN (PIPE) ALL ENDS
Media for Which DesignedOIL, HYDRAULIC SINGLE RESPONSE
Style DesignatorSTRAIGHT THRU
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4930-00-625-6777310048 INTERCHANGEABLE
Lock Sleeve Assembly,hydraulic F
Alemite, Llc Dba Skf Usa Inc.
4320-00-654-636131-0048 INTERCHANGEABLE
Parts Kit,rotary Pump
Hamilton Sundstrand Corporation
4720-00-984-4969310048 INTERCHANGEABLE
Hose,preformed
New Holland N.v.nc.
5305-01-054-8065310-048 INTERCHANGEABLE
Screw
Eastman Kodak Co
1730-01-334-32283-1004-8 INTERCHANGEABLE
Handle,coolant Dispenser
Malabar
Cross-Reference Index
Part NumberManufacturer
31004-8 Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc (USA)
31004-8 Blissfield Manufacturing Company (USA)
Related Parts
4930-00-625-6777INTERCHANGEABLE
LOCK SLEEVE ASSEMBLY,HYDRAULIC F
310048
4320-00-654-6361INTERCHANGEABLE
PARTS KIT,ROTARY PUMP
31-0048
4720-00-984-4969INTERCHANGEABLE
HOSE,PREFORMED
310048
5305-01-054-8065INTERCHANGEABLE
SCREW
310-048
1730-01-334-3228INTERCHANGEABLE
HANDLE,COOLANT DISPENSER
3-1004-8

Frequently Asked Questions

What is NSN 4820-01-331-2823?

NSN 4820-01-331-2823 is a Cock,poppet Drain, manufactured by Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-331-2823?

NSN 4820-01-331-2823 has 2 cross-referenced part numbers: 31004-8 (Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc), 31004-8 (Blissfield Manufacturing Company).

What NSN replaces 4820-01-331-2823?

There are 5 known substitutes for 4820-01-331-2823: 4930-00-625-6777, 4320-00-654-6361, 4720-00-984-4969 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31004-8?

Key specifications for 31004-8: Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Connection Style: PLAIN (PIPE) ALL ENDS; Media for Which Designed: OIL, HYDRAULIC SINGLE RESPONSE; Style Designator: STRAIGHT THRU. 6 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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