PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6556Pin,trigger Housing

Bellwether Inc · NSN 1005-01-251-9180 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-251-9180 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-251-9180. Primary manufacturer part number: 6556.
Features
  • Pin,trigger Housing — FSC 1005
  • 3 verified cross-references
  • Primary manufacturer: Bellwether Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pin,trigger Housing, cataloged under National Stock Number 1005-01-251-9180, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Bellwether Inc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePin,trigger Housing
FSC / FSG1005 — No Item Name Available (FSG 10)
ManufacturersBellwether Inc (CAGE 47158)
Technical Specifications
ParameterValue
NSN1005-01-251-9180
Primary Part Number6556
Item NamePin,trigger Housing
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerBellwether Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4930-00-223-3387 INTERCHANGEABLE
Lubricating Gun,handheld
5905-00-270-1186104540-1 INTERCHANGEABLE
Resistance Element
Marathonnorco Aerospace, Inc. Dba Christie Electric
5306-00-489-4370 INTERCHANGEABLE
Bolt,machine
5950-00-583-090810-20076-7 INTERCHANGEABLE
Transformer,power Autotransforme
The Boeing Company Div Legacy Wichita
3120-00-765-66866556 INTERCHANGEABLE
Bearing,washer,thrust
Sachs-Boge of America
1450-00-797-5410FDC3270-3 INTERCHANGEABLE
Tie Down,guided Mis
Davis Aircraft Products Co., Inc.
5305-00-850-70366556 INTERCHANGEABLE
Thumbscrew
Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier
5330-01-034-72686556 INTERCHANGEABLE
Seal,plain
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
2940-01-425-95711117576 INTERCHANGEABLE
Filter Element,intake Air Cleane
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5920-01-465-4611655-6 INTERCHANGEABLE
Fuse,cartridge
Cooper Wiring Devices Inc.
Cross-Reference Index
Part NumberManufacturer
6556 Bellwether Inc (USA)
1580P Bellwether Inc (USA)
B-1580 Bellwether Inc (USA)
Related Parts
4930-00-223-3387INTERCHANGEABLE
LUBRICATING GUN,HANDHELD
5905-00-270-1186INTERCHANGEABLE
RESISTANCE ELEMENT
104540-1
5306-00-489-4370INTERCHANGEABLE
BOLT,MACHINE
5950-00-583-0908INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
10-20076-7
3120-00-765-6686INTERCHANGEABLE
BEARING,WASHER,THRUST
6556
1450-00-797-5410INTERCHANGEABLE
TIE DOWN,GUIDED MIS
FDC3270-3
5305-00-850-7036INTERCHANGEABLE
THUMBSCREW
6556
5330-01-034-7268INTERCHANGEABLE
SEAL,PLAIN
6556
2940-01-425-9571INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
1117576
5920-01-465-4611INTERCHANGEABLE
FUSE,CARTRIDGE
655-6
5340-01-497-8743INTERCHANGEABLE
CLIP,SPRING TENSION
135344-1
5315-01-512-2729INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
1580P

Frequently Asked Questions

What is NSN 1005-01-251-9180?

NSN 1005-01-251-9180 is a Pin,trigger Housing, manufactured by Bellwether Inc, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-01-251-9180?

NSN 1005-01-251-9180 has 3 cross-referenced part numbers: 6556 (Bellwether Inc), 1580P (Bellwether Inc), B-1580 (Bellwether Inc).

What NSN replaces 1005-01-251-9180?

There are 12 known substitutes for 1005-01-251-9180: 4930-00-223-3387, 5905-00-270-1186, 5306-00-489-4370 and 9 more. Verify interchangeability with system specifications before substitution.

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