PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16643Support,upper Cradle

Acco-Babcock Inc Hoist and Crane Div · NSN 1740-00-450-7881 · FSC 1740 · No Item Name Available
Verified by PartsTable
NSN 1740-00-450-7881 — this item is cataloged by the U.S. Government under National Stock Number 1740-00-450-7881. Primary manufacturer part number: 16643.
Features
  • Support,upper Cradle — FSC 1740
  • General Characteristics Item Description: MATL PHENOLIC,MIL-P-15035; O/A DIM 11.203 IN. LG X 3.406 IN. W X 1 IN. H; 3 HOLES .15 PORM .005 DIA X .75 DEEP; 3 HOLES .197 PORM .006 DIA; 45 ARC IN
  • 1 verified cross-reference
  • Primary manufacturer: Acco-Babcock Inc Hoist and Crane Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Support,upper Cradle, cataloged under National Stock Number 1740-00-450-7881, is classified within Federal Supply Class 1740 (No Item Name Available) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The primary manufacturer of record is Acco-Babcock Inc Hoist and Crane Div. 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
NSN1740-00-450-7881
Primary Part Number16643
Item NameSupport,upper Cradle
FSC / FSG1740 / 17 — No Item Name Available
ManufacturerAcco-Babcock Inc Hoist and Crane Div
StatusACTIVE
General Characteristics Item DescriptionMATL PHENOLIC,MIL-P-15035; O/A DIM 11.203 IN. LG X 3.406 IN. W X 1 IN. H; 3 HOLES .15 PORM .005 DIA X .75 DEEP; 3 HOLES .197 PORM .006 DIA; 45 ARC IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4730-00-081-5027LL4T26 INTERCHANGEABLE
Coupling Half,quick Disconnect
Tuthill Corp Hansen Coupling Div
5905-00-513-9939 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
3120-00-676-8860BACB28B6-280 INTERCHANGEABLE
Bushing,sleeve
The Boeing Company Div Defense
5325-01-209-858916643 INTERCHANGEABLE
Ring,retaining
Hartmann Controls, Inc Div Hartmann Controls
5995-01-219-2008A3014044-2 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5120-01-423-00561664-3 INTERCHANGEABLE
Mandrel,fastener Installation to
Howmet Global Fastening Systems Inc Div Rosan Products
6515-01-584-283694100H INTERCHANGEABLE
Support,arch
Der-Tex Corporation Dba Frelonic
Cross-Reference Index
Part NumberManufacturer
16643 PRIMARY Acco-Babcock Inc Hoist and Crane Div (USA)
Related Parts
4730-00-081-5027INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
LL4T26
5905-00-513-9939INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
3120-00-676-8860INTERCHANGEABLE
BUSHING,SLEEVE
BACB28B6-280
5325-01-209-8589INTERCHANGEABLE
RING,RETAINING
16643
5995-01-219-2008INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
A3014044-2
5120-01-423-0056INTERCHANGEABLE
MANDREL,FASTENER INSTALLATION TO
1664-3
6515-01-584-2836INTERCHANGEABLE
SUPPORT,ARCH
94100H

Frequently Asked Questions

What is NSN 1740-00-450-7881?

NSN 1740-00-450-7881 is a Support,upper Cradle, manufactured by Acco-Babcock Inc Hoist and Crane Div, classified under FSC 1740 (No Item Name Available). Status: active.

What are the part numbers for NSN 1740-00-450-7881?

NSN 1740-00-450-7881 has 1 cross-referenced part number: 16643 (Acco-Babcock Inc Hoist and Crane Div).

What NSN replaces 1740-00-450-7881?

There are 7 known substitutes for 1740-00-450-7881: 4730-00-081-5027, 5905-00-513-9939, 3120-00-676-8860 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16643?

Key specifications for 16643: End Item Identification: 1740004507881; General Characteristics Item Description: MATL PHENOLIC,MIL-P-15035; O/A DIM 11.203 IN. LG X 3.406 IN. W X 1 IN. H; 3 HOLES .15 PORM .005 DIA X .75 DEEP; 3 HOLES .197 PORM .006 DIA; 45 ARC IN. 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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