PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D-421Grease,plug Valve

Flowserve Us Inc. Dba Flowserve Div Flow Control - Oil and Gas Sector · NSN 9150-00-261-8295 · FSC 9150 · No Item Name Available
Verified by PartsTable
NSN 9150-00-261-8295 — this item is cataloged by the U.S. Government under National Stock Number 9150-00-261-8295. Primary manufacturer part number: D-421.
Features
  • Grease,plug Valve — FSC 9150
  • Basic Ingredient: ALUMINUM SOAP AND PETROLEUM OIL
  • Service Characteristics: SALT WATER RESISTANT
  • Minimum Dropping Point: 300.0 FAHRENHEIT DEGF
  • Diameter: 0.625 INCHES IN
  • Effective Temp Range Rating: +30.0 TO 275.0 FAHRENHEIT DEGF
  • Physical Form: STICK
  • 5 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Grease,plug Valve, cataloged under National Stock Number 9150-00-261-8295, is classified within Federal Supply Class 9150 (No Item Name Available) of the Fuels, Lubricants, Oils, and Waxes group. The primary manufacturer of record is Flowserve Us Inc. Dba Flowserve Div Flow Control - Oil and Gas Sector. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, 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
NSN9150-00-261-8295
Primary Part NumberD-421
Item NameGrease,plug Valve
FSC / FSG9150 / 91 — No Item Name Available
ManufacturerFlowserve Us Inc. Dba Flowserve Div Flow Control - Oil and Gas Sector
StatusACTIVE
Basic IngredientALUMINUM SOAP AND PETROLEUM OIL
Service CharacteristicsSALT WATER RESISTANT
Minimum Dropping Point300.0 FAHRENHEIT DEGF
Diameter0.625 INCHES IN
Effective Temp Range Rating+30.0 TO 275.0 FAHRENHEIT DEGF
Physical FormSTICK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6680-00-099-5661D421REVH INTERCHANGEABLE
Gage,liquid Quantity,float Type
Hersey Measurement Co Div of Miller Industries Inc
5330-00-154-4967 INTERCHANGEABLE
Seal,plain Encased
9150-00-261-8293B-421 INTERCHANGEABLE
Grease,plug Valve
Flowserve Us Inc. Dba Flowserve Div Flow Control - Oil and Gas Sector
9150-00-261-8294C-421 INTERCHANGEABLE
Grease,plug Valve
Flowserve Us Inc. Dba Flowserve Div Flow Control - Oil and Gas Sector
9150-00-261-8296LUBRICANT24 INTERCHANGEABLE
Grease,plug Valve
Acf Industries Inc
5340-00-367-0908D42-1 INTERCHANGEABLE
Strap,retaining
Western Sky Industries Inc Dba Electromech Techologies
2920-00-631-5694 INTERCHANGEABLE
Starter,engine,electrical
5998-01-230-80004LC12 INTERCHANGEABLE
Circuit Card Assembly
Dynalec Corporation
Cross-Reference Index
Part NumberManufacturer
D-421 PRIMARY Flowserve Us Inc. Dba Flowserve Div Flow Control - Oil and Gas Sector (USA)
D-421 Btr Valve Sealants Inc (USA)
9150PL1374695 Jednolity Indeks Materialowy - Uniform Material Index (POL)
LUBRICANT 24 PRIMARY R & M Energy Systems Tomball P (USA)
LUBRICANT 24 Acf Industries Inc (USA)
Related Parts
6680-00-099-5661INTERCHANGEABLE
GAGE,LIQUID QUANTITY,FLOAT TYPE
D421REVH
5330-00-154-4967INTERCHANGEABLE
SEAL,PLAIN ENCASED
9150-00-261-8293INTERCHANGEABLE
GREASE,PLUG VALVE
B-421
9150-00-261-8294INTERCHANGEABLE
GREASE,PLUG VALVE
C-421
9150-00-261-8296INTERCHANGEABLE
GREASE,PLUG VALVE
LUBRICANT24
5340-00-367-0908INTERCHANGEABLE
STRAP,RETAINING
D42-1
2920-00-631-5694INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
5998-01-230-8000INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4LC12

Frequently Asked Questions

What is NSN 9150-00-261-8295?

NSN 9150-00-261-8295 is a Grease,plug Valve, manufactured by Flowserve Us Inc. Dba Flowserve Div Flow Control - Oil and Gas Sector, classified under FSC 9150 (No Item Name Available). Status: active.

What are the part numbers for NSN 9150-00-261-8295?

NSN 9150-00-261-8295 has 5 cross-referenced part numbers: D-421 (Flowserve Us Inc. Dba Flowserve Div Flow Control - Oil and Gas Sector), D-421 (Btr Valve Sealants Inc), 9150PL1374695 (Jednolity Indeks Materialowy - Uniform Material Index), LUBRICANT 24 (R & M Energy Systems Tomball P), LUBRICANT 24 (Acf Industries Inc).

What NSN replaces 9150-00-261-8295?

There are 8 known substitutes for 9150-00-261-8295: 6680-00-099-5661, 5330-00-154-4967, 9150-00-261-8293 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D-421?

Key specifications for D-421: Basic Ingredient: ALUMINUM SOAP AND PETROLEUM OIL; Service Characteristics: SALT WATER RESISTANT; Minimum Dropping Point: 300.0 FAHRENHEIT DEGF; Diameter: 0.625 INCHES 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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