PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

08924140MCock,shutoff,screw Stem

Rolls-Royce Solutions America Inc · NSN 4820-00-631-3660 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-631-3660 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-631-3660. Primary manufacturer part number: 08924140M.
Features
  • Cock,shutoff,screw Stem — FSC 4820
  • Thread Direction: RIGHT-HAND FIRST END
  • Nominal Thread Size: 0.625 INCHES FIRST END IN
  • Furnished Items and Quantity: 1 NUT
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN
  • Style Designator: STRAIGHT THRU
  • Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN
  • Valve Operation Method: MANUAL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,shutoff,screw Stem, cataloged under National Stock Number 4820-00-631-3660, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-631-3660
Primary Part Number08924140M
Item NameCock,shutoff,screw Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRolls-Royce Solutions America Inc
StatusACTIVE
Thread DirectionRIGHT-HAND FIRST END
Nominal Thread Size0.625 INCHES FIRST END IN
Furnished Items and Quantity1 NUT
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Style DesignatorSTRAIGHT THRU
Nominal Pipe Size Accommodated0.250 INCHES SECOND END IN
Valve Operation MethodMANUAL
Nominal Thread Size0.250 INCHES SECOND END IN
Flow Control DeviceDISK OR STEM
Connection StyleINVERTED FLARE (TUBE) FIRST END
Thread Series DesignatorUNF FIRST END
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorNPT SECOND END
Connection StylePLAIN (PIPE) SECOND END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread DirectionRIGHT-HAND SECOND END
Thread Class3B FIRST END
Seat Angle45.0 DEGREES FIRST END
Connection TypeTHREADED INTERNAL TUBE FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-132-63178924140 INTERCHANGEABLE
Cock,drain
Detroit Diesel Corporation
5998-01-533-5749A-6890 INTERCHANGEABLE
Circuit Card Assembly
The Captor Corporation
Cross-Reference Index
Part NumberManufacturer
08924140M PRIMARY Rolls-Royce Solutions America Inc (USA)
A6890 PRIMARY Danfoss Power Solutions II, Llc (USA)
A6890 Dana Corp Weatherhead Div (USA)
08924140 Rolls-Royce Solutions America Inc (USA)
1355AS820-1 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
4820-01-132-6317INTERCHANGEABLE
COCK,DRAIN
8924140
5998-01-533-5749INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
A-6890

Frequently Asked Questions

What is NSN 4820-00-631-3660?

NSN 4820-00-631-3660 is a Cock,shutoff,screw Stem, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-631-3660?

NSN 4820-00-631-3660 has 5 cross-referenced part numbers: 08924140M (Rolls-Royce Solutions America Inc), A6890 (Danfoss Power Solutions II, Llc), A6890 (Dana Corp Weatherhead Div), 08924140 (Rolls-Royce Solutions America Inc), 1355AS820-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 4820-00-631-3660?

There are 2 known substitutes for 4820-00-631-3660: 4820-01-132-6317, 5998-01-533-5749. Verify interchangeability with system specifications before substitution.

What are the specifications of 08924140M?

Key specifications for 08924140M: Thread Direction: RIGHT-HAND FIRST END; Nominal Thread Size: 0.625 INCHES FIRST END IN; Furnished Items and Quantity: 1 NUT; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN. 19 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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