PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52507Trigger

Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc · NSN 1055-01-626-5357 · FSC 1055 · No Item Name Available
Verified by PartsTable
NSN 1055-01-626-5357 — this item is cataloged by the U.S. Government under National Stock Number 1055-01-626-5357. Primary manufacturer part number: 52507.
Features
  • Trigger — FSC 1055
  • 1 verified cross-reference
  • Primary manufacturer: Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Trigger, cataloged under National Stock Number 1055-01-626-5357, is classified within Federal Supply Class 1055 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1055-01-626-5357
Primary Part Number52507
Item NameTrigger
FSC / FSG1055 / 10 — No Item Name Available
ManufacturerNammo Defense Systems Inc. Dba Nammo Defense Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3455-00-173-7224 INTERCHANGEABLE
File,rotary
5977-00-834-947852507 INTERCHANGEABLE
Holder,electrical Contact Brush
Stewart & Stevenson Power Products Llc
5120-01-487-6301TR3A INTERCHANGEABLE
Wrench,socket
Summit Tool Company
Cross-Reference Index
Part NumberManufacturer
52507 PRIMARY Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc (USA)
Related Parts
3455-00-173-7224INTERCHANGEABLE
FILE,ROTARY
5977-00-834-9478INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
52507
5120-01-487-6301INTERCHANGEABLE
WRENCH,SOCKET
TR3A

Frequently Asked Questions

What is NSN 1055-01-626-5357?

NSN 1055-01-626-5357 is a Trigger, manufactured by Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc, classified under FSC 1055 (No Item Name Available). Status: active.

What are the part numbers for NSN 1055-01-626-5357?

NSN 1055-01-626-5357 has 1 cross-referenced part number: 52507 (Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc).

What NSN replaces 1055-01-626-5357?

There are 3 known substitutes for 1055-01-626-5357: 3455-00-173-7224, 5977-00-834-9478, 5120-01-487-6301. Verify interchangeability with system specifications before substitution.

What are the specifications of 52507?

Key specifications for 52507: End Item Identification: NSN 1055-01-583-9116. 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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