FSC 9640 — Iron and Steel Primary and Semifinished Products · FSG 96 — Ores, Minerals, and Primary Products
Government record, cited
Also searched as9640-00-287-2145 ·
9640002872145 ·
NIIN 002872145 ·
00-287-2145 ·
FSC 9640 Iron and Steel Primary and Semifinished Products · MIL-S-16974 · DOD-F-24669/1
Length: 8.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Heat Treatment: QUENCHED AND TEMPERED
Basic Shape Style: SQUARE
Nondefinitive Spec/std Data: 4340 GRADE
Cross-Sectional Width Across Flats: 8.000 INCHES NOMINAL IN
Minimum Tensile Strength: 105000 POUNDS PER SQUARE INCH LBS
Minimum Yield Strength: 80000 POUNDS PER SQUARE INCH LBS
Identification
NSN: 9640-00-287-2145
NIIN: 002872145
FSC: 9640 — Iron and Steel Primary and Semifinished Products
FSG: 96 — Ores, Minerals, and Primary Products
General Description
The Bloom,metal, cataloged under National Stock Number 9640-00-287-2145, is classified within Federal Supply Class 9640 (Iron and Steel Primary and Semifinished Products) of the Ores, Minerals, and Primary Products group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
9640-00-287-2145
Item Name
Bloom,metal
FSC / FSG
9640 / 96 — Iron and Steel Primary and Semifinished Products
Status
ACTIVE
Length
8.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Heat Treatment
QUENCHED AND TEMPERED
Basic Shape Style
SQUARE
Nondefinitive Spec/std Data
4340 GRADE
Cross-Sectional Width Across Flats
8.000 INCHES NOMINAL IN
Minimum Tensile Strength
105000 POUNDS PER SQUARE INCH LBS
Minimum Yield Strength
80000 POUNDS PER SQUARE INCH LBS
Material
STEEL COMP 4340
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
MIL-S-16974
5/9Secondary reference
U.S. Government activity
DOD-F-24669/1
4/1Identification reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 9640 — Iron and Steel Primary and Semifinished Products
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
9640-00-018-2156
9640-00-018-2156 · Item name not on file
9640-00-023-4963
9640-00-023-4963 · Item name not on file
9640-00-027-0098
9640-00-027-0098 · Item name not on file
9640-00-027-0102
9640-00-027-0102 · Item name not on file
9640-00-027-2869
9640-00-027-2869 · Item name not on file
9640-00-045-4412
9640-00-045-4412 · Item name not on file
9640-00-049-7636
9640-00-049-7636 · Item name not on file
9640-00-052-3150
ROUND,METAL
Frequently Asked Questions
What is NSN 9640-00-287-2145?
NSN 9640-00-287-2145 is a Bloom,metal, classified under FSC 9640, Iron and Steel Primary and Semifinished Products. Status: active.
What are the specifications of 9640-00-287-2145?
Key specifications for 9640-00-287-2145: Length: 8.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Heat Treatment: QUENCHED AND TEMPERED; Basic Shape Style: SQUARE; Nondefinitive Spec/std Data: 4340 GRADE. 8 specifications are documented in the U.S. Government catalog.
Is NSN 9640-00-287-2145 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.