PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM A331-95Bar,metal

American Society for Testing and Materials Dba Astm International · NSN 9510-00-596-3554 · FSC 9510 · No Item Name Available
Verified by PartsTable
NSN 9510-00-596-3554 — this item is cataloged by the U.S. Government under National Stock Number 9510-00-596-3554. Primary manufacturer part number: ASTM A331-95.
Features
  • Bar,metal — FSC 9510
  • Material: STEEL COMP 4140
  • Length: 5.000 FEET MINIMUM AND 24.000 FEET MAXIMUM FT
  • Cross Section Outside Diameter: 0.750 INCHES NOMINAL IN
  • Material Document and Classification: FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE
  • Nondefinitive Spec/std Data: ACF CONDITION
  • Weight Per Unit Measure: 1.502 POUNDS PER LINEAR FOOT LBS
  • Basic Shape Style: ROUND
Applications
  • Applications requiring Steel Comp 4140 construction
General Description

The Bar,metal, cataloged under National Stock Number 9510-00-596-3554, is classified within Federal Supply Class 9510 (No Item Name Available) of the Metal Bars, Sheets, and Shapes group. The primary manufacturer of record is American Society for Testing and Materials Dba Astm International. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN9510-00-596-3554
Primary Part NumberASTM A331-95
Item NameBar,metal
FSC / FSG9510 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusACTIVE
MaterialSTEEL COMP 4140
Length5.000 FEET MINIMUM AND 24.000 FEET MAXIMUM FT
Cross Section Outside Diameter0.750 INCHES NOMINAL IN
Material Document and ClassificationFED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std DataACF CONDITION
Weight Per Unit Measure1.502 POUNDS PER LINEAR FOOT LBS
Basic Shape StyleROUND
Heat TreatmentANNEALED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
9510-00-596-3555 INTERCHANGEABLE
Bar,metal
9510-00-596-3571 INTERCHANGEABLE
Bar,metal
Cross-Reference Index
Part NumberManufacturer
ASTM A331-95 American Society for Testing and Materials Dba Astm International (USA)
ASTM A108 American Society for Testing and Materials Dba Astm International (USA)
QQS624C0MP0SITI0NFS4140 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
9510-00-596-3555INTERCHANGEABLE
BAR,METAL
9510-00-596-3571INTERCHANGEABLE
BAR,METAL

Frequently Asked Questions

What is NSN 9510-00-596-3554?

NSN 9510-00-596-3554 is a Bar,metal, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 9510 (No Item Name Available). Status: active.

What are the part numbers for NSN 9510-00-596-3554?

NSN 9510-00-596-3554 has 3 cross-referenced part numbers: ASTM A331-95 (American Society for Testing and Materials Dba Astm International), ASTM A108 (American Society for Testing and Materials Dba Astm International), QQS624C0MP0SITI0NFS4140 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 9510-00-596-3554?

There are 2 known substitutes for 9510-00-596-3554: 9510-00-596-3555, 9510-00-596-3571. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM A331-95?

Key specifications for ASTM A331-95: Material: STEEL COMP 4140; Length: 5.000 FEET MINIMUM AND 24.000 FEET MAXIMUM FT; Cross Section Outside Diameter: 0.750 INCHES NOMINAL IN; Material Document and Classification: FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE. 8 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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