PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57028Spider Assembly,duo-Servo

Serval Aviation Inc · NSN 1630-00-180-5126 · FSC 1630 · No Item Name Available
Verified by PartsTable
NSN 1630-00-180-5126 — this item is cataloged by the U.S. Government under National Stock Number 1630-00-180-5126. Primary manufacturer part number: 57028.
Features
  • Spider Assembly,duo-Servo — FSC 1630
  • General Characteristics Item Description: ALUMINUM ALLOY,SHOE TYPE TRIANGLE
  • 3 verified cross-references
  • Primary manufacturer: Serval Aviation Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Spider Assembly,duo-Servo, cataloged under National Stock Number 1630-00-180-5126, is classified within Federal Supply Class 1630 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Serval Aviation Inc. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1630-00-180-5126
Primary Part Number57028
Item NameSpider Assembly,duo-Servo
FSC / FSG1630 / 16 — No Item Name Available
ManufacturerServal Aviation Inc
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY,SHOE TYPE TRIANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1280-00-698-8337 INTERCHANGEABLE
Plate Assy,rate and
1420-00-981-9428 INTERCHANGEABLE
Latch Plate Assembly
5120-01-162-031957028 INTERCHANGEABLE
Key,socket Head Screw
H-K Connecticut Holding Company
5120-01-335-2093 INTERCHANGEABLE
Key,socket Head Screw
3010-01-350-91515701310 INTERCHANGEABLE
Insert,flexible Coupling
Leroi International Inc Dba Compair Leroi
Cross-Reference Index
Part NumberManufacturer
57028 PRIMARY Serval Aviation Inc (USA)
57028 PRIMARY Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA)
57028 PRIMARY Smith and Smith Aircraft Co (USA)
Related Parts
1280-00-698-8337INTERCHANGEABLE
PLATE ASSY,RATE AND
1420-00-981-9428INTERCHANGEABLE
LATCH PLATE ASSEMBLY
5120-01-162-0319INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
57028
5120-01-335-2093INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
3010-01-350-9151INTERCHANGEABLE
INSERT,FLEXIBLE COUPLING
5701310

Frequently Asked Questions

What is NSN 1630-00-180-5126?

NSN 1630-00-180-5126 is a Spider Assembly,duo-Servo, manufactured by Serval Aviation Inc, classified under FSC 1630 (No Item Name Available). Status: active.

What are the part numbers for NSN 1630-00-180-5126?

NSN 1630-00-180-5126 has 3 cross-referenced part numbers: 57028 (Serval Aviation Inc), 57028 (Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)), 57028 (Smith and Smith Aircraft Co).

What NSN replaces 1630-00-180-5126?

There are 5 known substitutes for 1630-00-180-5126: 1280-00-698-8337, 1420-00-981-9428, 5120-01-162-0319 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 57028?

Key specifications for 57028: General Characteristics Item Description: ALUMINUM ALLOY,SHOE TYPE TRIANGLE; End Item Identification: AIRCRAFT MODEL C-47. 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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