PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QQN281CLASSABar,metal

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 9530-00-239-4459 · FSC 9530 · No Item Name Available
Verified by PartsTable
NSN 9530-00-239-4459 — this item is cataloged by the U.S. Government under National Stock Number 9530-00-239-4459. Primary manufacturer part number: QQN281CLASSA.
Features
  • Bar,metal — FSC 9530
  • Basic Shape Style: ROUND
  • Length: 6.000 FEET MINIMUM AND 24.000 FEET MAXIMUM FT
  • Nondefinitive Spec/std Data: A CLASS AND 1 FORM AND HOT FINISH CONDITION
  • Material Document and Classification: QQ-N-281, CLASS A FED SPEC 1ST MATERIAL RESPONSE
  • Material: NICKEL ALLOY 400
  • Weight Per Unit Measure: 2.310 POUNDS PER LINEAR FOOT LBS
  • Fabrication Method: HOT FINISH
Applications
  • Applications requiring Nickel Alloy 400 construction
General Description

The Bar,metal, cataloged under National Stock Number 9530-00-239-4459, is classified within Federal Supply Class 9530 (No Item Name Available) of the Metal Bars, Sheets, and Shapes group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 8 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9530-00-239-4459
Primary Part NumberQQN281CLASSA
Item NameBar,metal
FSC / FSG9530 / 95 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Basic Shape StyleROUND
Length6.000 FEET MINIMUM AND 24.000 FEET MAXIMUM FT
Nondefinitive Spec/std DataA CLASS AND 1 FORM AND HOT FINISH CONDITION
Material Document and ClassificationQQ-N-281, CLASS A FED SPEC 1ST MATERIAL RESPONSE
MaterialNICKEL ALLOY 400
Weight Per Unit Measure2.310 POUNDS PER LINEAR FOOT LBS
Fabrication MethodHOT FINISH
Cross Section Outside Diameter0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
9530-00-239-4455 INTERCHANGEABLE
Bar,metal
9530-00-239-4460 INTERCHANGEABLE
Bar,metal
9530-00-239-4466 INTERCHANGEABLE
Bar,metal
9530-00-239-4467 INTERCHANGEABLE
Bar,metal
9525-00-529-9197 INTERCHANGEABLE
Wire,nonelectrical
9525-00-542-5579 INTERCHANGEABLE
Wire,nonelectrical
9525-00-596-3531 INTERCHANGEABLE
Wire,nonelectrical
5305-01-302-5218 INTERCHANGEABLE
Screw,cap,socket Head
4730-01-344-1038A3SA59-06-06 INTERCHANGEABLE
Union,tube
Bec Systems Llc Dba Bec Machine Products
Cross-Reference Index
Part NumberManufacturer
QQN281CLASSA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
QQ-N-281 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
9530-00-239-4455INTERCHANGEABLE
BAR,METAL
9530-00-239-4460INTERCHANGEABLE
BAR,METAL
9530-00-239-4466INTERCHANGEABLE
BAR,METAL
9530-00-239-4467INTERCHANGEABLE
BAR,METAL
9525-00-529-9197INTERCHANGEABLE
WIRE,NONELECTRICAL
9525-00-542-5579INTERCHANGEABLE
WIRE,NONELECTRICAL
9525-00-596-3531INTERCHANGEABLE
WIRE,NONELECTRICAL
5305-01-302-5218INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
4730-01-344-1038INTERCHANGEABLE
UNION,TUBE
A3SA59-06-06

Frequently Asked Questions

What is NSN 9530-00-239-4459?

NSN 9530-00-239-4459 is a Bar,metal, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 9530 (No Item Name Available). Status: active.

What are the part numbers for NSN 9530-00-239-4459?

NSN 9530-00-239-4459 has 2 cross-referenced part numbers: QQN281CLASSA (Federal Specifications Promulgated by General Services Administration Washington DC), QQ-N-281 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 9530-00-239-4459?

There are 9 known substitutes for 9530-00-239-4459: 9530-00-239-4455, 9530-00-239-4460, 9530-00-239-4466 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of QQN281CLASSA?

Key specifications for QQN281CLASSA: Basic Shape Style: ROUND; Length: 6.000 FEET MINIMUM AND 24.000 FEET MAXIMUM FT; Nondefinitive Spec/std Data: A CLASS AND 1 FORM AND HOT FINISH CONDITION; Material Document and Classification: QQ-N-281, CLASS A FED SPEC 1ST 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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