PartsTable TECHNICAL DATA SHEET
NSN 3443-01-054-6577Government record, cited

Piston3443-01-054-6577

NSN 3443-01-054-6577 · NIIN 010546577 · Part number K-517
Forenta Lp · FSC 3443 — Mechanical Presses, Power Driven · FSG 34 — Metalworking Machinery (continued) · CAGE 11023
Government record, cited
NSN 3443-01-054-6577 — this item is cataloged by the U.S. Government under National Stock Number 3443-01-054-6577. Manufacturer of record part number: K-517.
Also searched as  3443-01-054-6577 · 3443010546577 · NIIN 010546577 · 01-054-6577 · FSC 3443 Mechanical Presses, Power Driven · CAGE 11023 · K-517 · 21665
Nearby stock numbers  ·
Features
  • Piston — FSC 3443
  • 1 manufacturer part number on file
  • Manufacturer of record: Forenta Lp
Identification
  • NSN: 3443-01-054-6577
  • NIIN: 010546577
  • FSC: 3443 — Mechanical Presses, Power Driven
  • FSG: 34 — Metalworking Machinery (continued)
  • Primary part number: K-517
  • Manufacturer: Forenta Lp
General Description

The Piston, cataloged under National Stock Number 3443-01-054-6577, is classified within Federal Supply Class 3443 (Mechanical Presses, Power Driven) of the Metalworking Machinery (continued) group. The manufacturer of record is Forenta Lp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3443-01-054-6577
Primary Part NumberK-517
Item NamePiston
FSC / FSG3443 / 34 — Mechanical Presses, Power Driven
ManufacturerForenta Lp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3510-01-143-1482 POSSIBLE MATCH
SHAFT ASSEMBLY,SPIN
Possible match (shared part number)
4320-01-159-174121665 POSSIBLE MATCH
SHAFT,TRANSMISSION,PUMP
Possible match (shared part number)Industrial Technologies and Services Llc
5305-01-188-049421665 POSSIBLE MATCH
SCREW ASSY. VENT
Possible match (shared part number)Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4320-01-273-7320714-83517-1 POSSIBLE MATCH
PUMP,ROTARY
Possible match (shared part number)Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
6210-01-293-862521665 POSSIBLE MATCH
LIGHT,INDICATOR
Possible match (shared part number)Reable Therapeutics Inc Dba Chattanooga Group
5930-01-302-036621665-10 POSSIBLE MATCH
SWITCH,SENSITIVE
Possible match (shared part number)Parker Hannifin Corp Dba Pneutronics
4810-01-304-0474RHCV-9KLH-FL-90-SK-H 21665 POSSIBLE MATCH
ACTUATOR,ELECTRO-MECHANICAL,LINE
Possible match (shared part number)Parker Hannifin Corp Dba Pneutronics
5360-01-332-472621665 POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
Possible match (shared part number)Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
K-517 PRIMARY Forenta Lp (USA)
Reference documents
ReferenceMeaning
21665 5/9 Secondary reference
Forenta Lp
Related Parts
3510-01-143-1482POSSIBLE MATCH
SHAFT ASSEMBLY,SPIN
4320-01-159-1741POSSIBLE MATCH
SHAFT,TRANSMISSION,PUMP
21665
5305-01-188-0494POSSIBLE MATCH
SCREW ASSY. VENT
21665
4320-01-273-7320POSSIBLE MATCH
PUMP,ROTARY
714-83517-1
6210-01-293-8625POSSIBLE MATCH
LIGHT,INDICATOR
21665
5930-01-302-0366POSSIBLE MATCH
SWITCH,SENSITIVE
21665-10
4810-01-304-0474POSSIBLE MATCH
ACTUATOR,ELECTRO-MECHANICAL,LINE
RHCV-9KLH-FL-90-SK-H 21665
5360-01-332-4726POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
21665

Frequently Asked Questions

What is NSN 3443-01-054-6577?

NSN 3443-01-054-6577 is a Piston, manufactured by Forenta Lp, classified under FSC 3443, Mechanical Presses, Power Driven. Status: active.

What part numbers are listed for NSN 3443-01-054-6577?

NSN 3443-01-054-6577 has 1 manufacturer part number on file: K-517 (Forenta Lp).

What NSN replaces 3443-01-054-6577?

8 possible matches (shared part number, not a government interchangeability claim): 3510-01-143-1482, 4320-01-159-1741, 5305-01-188-0494. Verify interchangeability with system specifications before substitution.

What are the specifications of K-517?

Key specifications for K-517: End Item Identification: FORENTA CO MODEL 42VLR PRESS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3443-01-054-6577 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.
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