PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5574621Elevation Mechanism

Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate · NSN 1010-00-557-4621 · FSC 1010 · No Item Name Available
Verified by PartsTable
NSN 1010-00-557-4621 — this item is cataloged by the U.S. Government under National Stock Number 1010-00-557-4621. Primary manufacturer part number: 5574621.
Features
  • Elevation Mechanism — FSC 1010
  • General Characteristics Item Description: CONSISTS OF NUT-1,P/N 11010207; KEY-1,P/N 11010407; DIAL-1,P/N 5171492;RING-1,P/N 5174123; YOKE-1,P/N 6166497; WASHER-1,P/N 5174192; NUT-1,P/N 11010206; HANDWHEEL,TRAVERSING-1,P/N 6158375; NUT-1,P/N 5171491; POINTER-1,P/N 5139982; HANDWHEEL,ELEVATING-1,P/N 6108211; SETSCREW-1,P/N 5140612; SPRING-1,P/N 11010547; PIN-1,P/N 5171495; PIN ASSY-1,P/N 5174113; PLATE-1,P/N 5140669; PIN-1,P/N 11010522; SPRING-1,P/N 11010523; CHAIN ASSY-1,P/N 5141460; PIN-1,P/N 5139995; SCREW ASSY-1,P/N 5591828; LEVER ASSY-1,P/N 5194313; SCREW-1,P/N 5139989; WASHER-1,P/N 11010413; SPRING-1,P/N 8412295; SCREW-1,P/N 5140383;STOP-1,P/N 8408768; RING-1,P/N 5140137; RING-1,P/N 5140485; PIN-1,P/N MS16562-120; STOP-1,P/N 5189756
  • 3 verified cross-references
  • Primary manufacturer: Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Elevation Mechanism, cataloged under National Stock Number 1010-00-557-4621, is classified within Federal Supply Class 1010 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1010-00-557-4621
Primary Part Number5574621
Item NameElevation Mechanism
FSC / FSG1010 / 10 — No Item Name Available
ManufacturerCombat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF NUT-1,P/N 11010207; KEY-1,P/N 11010407; DIAL-1,P/N 5171492;RING-1,P/N 5174123; YOKE-1,P/N 6166497; WASHER-1,P/N 5174192; NUT-1,P/N 11010206; HANDWHEEL,TRAVERSING-1,P/N 6158375; NUT-1,P/N 5171491; POINTER-1,P/N 5139982; HANDWHEEL,ELEVATING-1,P/N 6108211; SETSCREW-1,P/N 5140612; SPRING-1,P/N 11010547; PIN-1,P/N 5171495; PIN ASSY-1,P/N 5174113; PLATE-1,P/N 5140669; PIN-1,P/N 11010522; SPRING-1,P/N 11010523; CHAIN ASSY-1,P/N 5141460; PIN-1,P/N 5139995; SCREW ASSY-1,P/N 5591828; LEVER ASSY-1,P/N 5194313; SCREW-1,P/N 5139989; WASHER-1,P/N 11010413; SPRING-1,P/N 8412295; SCREW-1,P/N 5140383;STOP-1,P/N 8408768; RING-1,P/N 5140137; RING-1,P/N 5140485; PIN-1,P/N MS16562-120; STOP-1,P/N 5189756
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6625-01-024-2981BP4630 INTERCHANGEABLE
Adapter,test
Burke Products Inc
Cross-Reference Index
Part NumberManufacturer
A10721 Fnh Uk Ltd (GBR)
1005005574621 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
5574621 PRIMARY Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
Related Parts
6625-01-024-2981INTERCHANGEABLE
ADAPTER,TEST
BP4630

Frequently Asked Questions

What is NSN 1010-00-557-4621?

NSN 1010-00-557-4621 is a Elevation Mechanism, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1010 (No Item Name Available). Status: active.

What are the part numbers for NSN 1010-00-557-4621?

NSN 1010-00-557-4621 has 3 cross-referenced part numbers: A10721 (Fnh Uk Ltd), 1005005574621 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 5574621 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What NSN replaces 1010-00-557-4621?

There is 1 known substitute for 1010-00-557-4621: 6625-01-024-2981. Verify interchangeability with system specifications before substitution.

What are the specifications of 5574621?

Key specifications for 5574621: End Item Identification: MACHINE GUN,CAL. .50 (M2),NSN 1005-00-322-9715; General Characteristics Item Description: CONSISTS OF NUT-1,P/N 11010207; KEY-1,P/N 11010407; DIAL-1,P/N 5171492;RING-1,P/N 5174123; YOKE-1,P/N 6166497; WASHER-1,P/N 5174192; NUT-1,P/N 11010206; HANDWHEEL,TRAVERSING-1,P/N 6158375; NUT-1,P/N 5171491; POINTER-1,P/N 5139982; HANDWHEEL,ELEVATING-1,P/N 6108211; SETSCREW-1,P/N 5140612; SPRING-1,P/N 11010547; PIN-1,P/N 5171495; PIN ASSY-1,P/N 5174113; PLATE-1,P/N 5140669; PIN-1,P/N 11010522; SPRING-1,P/N 11010523; CHAIN ASSY-1,P/N 5141460; PIN-1,P/N 5139995; SCREW ASSY-1,P/N 5591828; LEVER ASSY-1,P/N 5194313; SCREW-1,P/N 5139989; WASHER-1,P/N 11010413; SPRING-1,P/N 8412295; SCREW-1,P/N 5140383;STOP-1,P/N 8408768; RING-1,P/N 5140137; RING-1,P/N 5140485; PIN-1,P/N MS16562-120; STOP-1,P/N 5189756. 2 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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