PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1558Lock Set

Master Lock Company Llc · NSN 5340-01-509-7806 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-509-7806 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-509-7806. Primary manufacturer part number: 1558.
Features
  • Lock Set — FSC 5340
  • Supplementary Features: ITEM IS A SET OF 3 COMBINATION LOCKS, ALL WITH THE SAME COMBINATION AND ONE 20 INCH CABLE IN
  • 1 verified cross-reference
  • Primary manufacturer: Master Lock Company Llc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Lock Set, cataloged under National Stock Number 5340-01-509-7806, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Master Lock Company Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-509-7806
Primary Part Number1558
Item NameLock Set
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMaster Lock Company Llc
StatusACTIVE
Supplementary FeaturesITEM IS A SET OF 3 COMBINATION LOCKS, ALL WITH THE SAME COMBINATION AND ONE 20 INCH CABLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 11
5998-00-020-02341558 INTERCHANGEABLE
Electronic Components Assembly
Mission Systems Davenport Inc.
5305-00-208-0364 INTERCHANGEABLE
Screw,machine
5915-00-296-0823SM-B-209721-1 INTERCHANGEABLE
Filter,radio Frequency Interfere
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5940-00-703-07091128B INTERCHANGEABLE
Terminal,stud
Goe Engineering Co Inc
5905-01-098-70221558 INTERCHANGEABLE
Resistor
Crown Audio, Inc. Dba Crown International
5310-01-124-50982867 ITEM 17 INTERCHANGEABLE
Washer,special
Imi Cash Valve Inc
6625-01-131-83971558 INTERCHANGEABLE
Multimeter
Cole-Parmer Instrument Company, Llc
5305-01-157-13611558 INTERCHANGEABLE
Screw,machine
Jacobs Mfg Co the
4730-01-184-9485 INTERCHANGEABLE
Flange,pipe
5120-01-399-9309 INTERCHANGEABLE
Punch,aligning
Cross-Reference Index
Part NumberManufacturer
1558 PRIMARY Master Lock Company Llc (USA)
Related Parts
5998-00-020-0234INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
1558
5305-00-208-0364INTERCHANGEABLE
SCREW,MACHINE
5915-00-296-0823INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
SM-B-209721-1
5940-00-703-0709INTERCHANGEABLE
TERMINAL,STUD
1128B
5905-01-098-7022INTERCHANGEABLE
RESISTOR
1558
5310-01-124-5098INTERCHANGEABLE
WASHER,SPECIAL
2867 ITEM 17
6625-01-131-8397INTERCHANGEABLE
MULTIMETER
1558
5305-01-157-1361INTERCHANGEABLE
SCREW,MACHINE
1558
4730-01-184-9485INTERCHANGEABLE
FLANGE,PIPE
5120-01-399-9309INTERCHANGEABLE
PUNCH,ALIGNING
5305-01-602-2828INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
1558

Frequently Asked Questions

What is NSN 5340-01-509-7806?

NSN 5340-01-509-7806 is a Lock Set, manufactured by Master Lock Company Llc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-509-7806?

NSN 5340-01-509-7806 has 1 cross-referenced part number: 1558 (Master Lock Company Llc).

What NSN replaces 5340-01-509-7806?

There are 11 known substitutes for 5340-01-509-7806: 5998-00-020-0234, 5305-00-208-0364, 5915-00-296-0823 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1558?

Key specifications for 1558: Supplementary Features: ITEM IS A SET OF 3 COMBINATION LOCKS, ALL WITH THE SAME COMBINATION AND ONE 20 INCH CABLE IN. 1 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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