General Characteristics Item Description: STEEL,HARDENED
Identification
NSN: 3445-00-539-9537
NIIN: 005399537
FSC: 3445 — Punching and Shearing Machines
FSG: 34 — Metalworking Machinery (continued)
General Description
The Blade,lower, cataloged under National Stock Number 3445-00-539-9537, is classified within Federal Supply Class 3445 (Punching and Shearing Machines) of the Metalworking Machinery (continued) group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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
3445-00-539-9537
Item Name
Blade,lower
FSC / FSG
3445 / 34 — Punching and Shearing Machines
Status
ACTIVE
General Characteristics Item Description
STEEL,HARDENED
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
45
3/2Design control — primary reference
U.S. Government activity
R666
5/9Secondary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 3445 — Punching and Shearing Machines
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3445-00-001-1278
3445-00-001-1278 · Item name not on file
3445-00-001-5578
PUNCHING MACHINE,METAL,POWER OPE
3445-00-003-1049
SHEARING MACHINE,METAL,SQUARING
3445-00-006-4091
3445-00-006-4091 · Item name not on file
3445-00-030-2316
3445-00-030-2316 · Item name not on file
3445-00-030-2317
3445-00-030-2317 · Item name not on file
3445-00-038-3443
3445-00-038-3443 · Item name not on file
3445-00-039-5620
3445-00-039-5620 · Item name not on file
Frequently Asked Questions
What is NSN 3445-00-539-9537?
NSN 3445-00-539-9537 is a Blade,lower, classified under FSC 3445, Punching and Shearing Machines. Status: active.
What are the specifications of 3445-00-539-9537?
Key specifications for 3445-00-539-9537: General Characteristics Item Description: STEEL,HARDENED; End Item Identification: ROTEX MODEL 18A PUNCH A. 1 specification is documented in the U.S. Government catalog.
Is NSN 3445-00-539-9537 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.