PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C3915-5-6Block,bend Radius

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 3441-01-075-5787 · FSC 3441 · No Item Name Available
Verified by PartsTable
NSN 3441-01-075-5787 — this item is cataloged by the U.S. Government under National Stock Number 3441-01-075-5787. Primary manufacturer part number: C3915-5-6.
Features
  • Block,bend Radius — FSC 3441
  • 2 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Block,bend Radius, cataloged under National Stock Number 3441-01-075-5787, is classified within Federal Supply Class 3441 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBlock,bend Radius
FSC / FSG3441 — No Item Name Available (FSG 34)
ManufacturersPines Manufacturing Inc Dba H & H Tooling Div H&h Tooling (CAGE 29228); Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (CAGE 81755)
Technical Specifications
ParameterValue
NSN3441-01-075-5787
Primary Part NumberC3915-5-6
Item NameBlock,bend Radius
FSC / FSG3441 / 34 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-144-208451201442084 INTERCHANGEABLE
Chuck,socket
Timber Edge Machine Inc.
5133-00-232-2866 INTERCHANGEABLE
Drill,twist
5330-00-419-6556 INTERCHANGEABLE
Seal,plain Encased
5815-00-547-7876SM-B-186901GP2 INTERCHANGEABLE
Bar,punch,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5305-00-579-101211556 INTERCHANGEABLE
Screw,externally Relieved Body
Eaton Corp Dba Eaton Aerospace Jackson
5950-01-099-5014986199-2B INTERCHANGEABLE
Saturable Reactor
Raytheon Company Dba Raytheon
4933-01-686-59121-1556 INTERCHANGEABLE
Boresighting Equipment,weapon
Graflex Inc
Cross-Reference Index
Part NumberManufacturer
11-5-5-6 Pines Manufacturing Inc Dba H & H Tooling Div H&h Tooling (USA)
C3915-5-6 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
Related Parts
5120-00-144-2084INTERCHANGEABLE
CHUCK,SOCKET
51201442084
5133-00-232-2866INTERCHANGEABLE
DRILL,TWIST
5330-00-419-6556INTERCHANGEABLE
SEAL,PLAIN ENCASED
5815-00-547-7876INTERCHANGEABLE
BAR,PUNCH,TELETYPEWRITER
SM-B-186901GP2
5305-00-579-1012INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
11556
5950-01-099-5014INTERCHANGEABLE
SATURABLE REACTOR
986199-2B
4933-01-686-5912INTERCHANGEABLE
BORESIGHTING EQUIPMENT,WEAPON
1-1556

Frequently Asked Questions

What is NSN 3441-01-075-5787?

NSN 3441-01-075-5787 is a Block,bend Radius, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 3441 (No Item Name Available). Status: active.

What are the part numbers for NSN 3441-01-075-5787?

NSN 3441-01-075-5787 has 2 cross-referenced part numbers: 11-5-5-6 (Pines Manufacturing Inc Dba H & H Tooling Div H&h Tooling), C3915-5-6 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company).

What NSN replaces 3441-01-075-5787?

There are 7 known substitutes for 3441-01-075-5787: 5120-00-144-2084, 5133-00-232-2866, 5330-00-419-6556 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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