PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51122Trigger Assembly

American Apex Corporation · NSN 1005-01-487-2451 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-487-2451 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-487-2451. Primary manufacturer part number: 51122.
Features
  • Trigger Assembly — FSC 1005
  • FSC Application Data: NHA AIMTEST CAL .50 INBORE DEVICE NO 51125
  • 1 verified cross-reference
  • Primary manufacturer: American Apex Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Trigger Assembly, cataloged under National Stock Number 1005-01-487-2451, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is American Apex Corporation. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1005-01-487-2451
Primary Part Number51122
Item NameTrigger Assembly
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerAmerican Apex Corporation
StatusACTIVE
FSC Application DataNHA AIMTEST CAL .50 INBORE DEVICE NO 51125
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4720-00-134-43475112-2 INTERCHANGEABLE
Hose,air Duct
Flexco, Inc
3110-00-156-1917 INTERCHANGEABLE
Bearing,ball,thrust
5120-00-156-8626 INTERCHANGEABLE
Contact Positioner,terminal Crim
5331-00-395-606251122 INTERCHANGEABLE
O-Ring
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
6680-01-125-279451122P026 INTERCHANGEABLE
Ball,half,flowmeter
Hersey Measurement Co Div of Miller Industries Inc
3020-01-284-591251122 INTERCHANGEABLE
Gear,worm
Altra Industrial Motion Corp.
5315-01-670-39325112-2 INTERCHANGEABLE
Pin,lock
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
51122 PRIMARY American Apex Corporation (USA)
Related Parts
4720-00-134-4347INTERCHANGEABLE
HOSE,AIR DUCT
5112-2
3110-00-156-1917INTERCHANGEABLE
BEARING,BALL,THRUST
5120-00-156-8626INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
5331-00-395-6062INTERCHANGEABLE
O-RING
51122
6680-01-125-2794INTERCHANGEABLE
BALL,HALF,FLOWMETER
51122P026
3020-01-284-5912INTERCHANGEABLE
GEAR,WORM
51122
5315-01-670-3932INTERCHANGEABLE
PIN,LOCK
5112-2

Frequently Asked Questions

What is NSN 1005-01-487-2451?

NSN 1005-01-487-2451 is a Trigger Assembly, manufactured by American Apex Corporation, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-01-487-2451?

NSN 1005-01-487-2451 has 1 cross-referenced part number: 51122 (American Apex Corporation).

What NSN replaces 1005-01-487-2451?

There are 7 known substitutes for 1005-01-487-2451: 4720-00-134-4347, 3110-00-156-1917, 5120-00-156-8626 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51122?

Key specifications for 51122: End Item Identification: AIMTEST CAL .50 INBORE TRAINING DEVICE; Part Name Assigned by Controlling Agency: TRIGGER ASSEMBLY; FSC Application Data: NHA AIMTEST CAL .50 INBORE DEVICE NO 51125. 3 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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