PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10643Adapter,mechanical

Usi Inc · NSN 4940-01-298-5557 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-01-298-5557 — this item is cataloged by the U.S. Government under National Stock Number 4940-01-298-5557. Primary manufacturer part number: 10643.
Features
  • Adapter,mechanical — FSC 4940
  • 3 verified cross-references
  • Primary manufacturer: Usi Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Adapter,mechanical, cataloged under National Stock Number 4940-01-298-5557, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Usi Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4940-01-298-5557
Primary Part Number10643
Item NameAdapter,mechanical
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerUsi Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-02581264090 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Chrysler Realty Company Llc Dba Daimler Chrysler
6530-00-112-9321 INTERCHANGEABLE
Table,utility,hospital
4320-00-126-521910290 INTERCHANGEABLE
Sleeve,shaft,pump
Rps-Fl, Inc. Dba Rps Inc
1680-00-393-270210290 INTERCHANGEABLE
Retainer,check Valve
Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
3010-00-412-235810643 INTERCHANGEABLE
Insert,flexible Coupling
Rexnord Industries, Llc Div Couplings Division
5998-00-420-409310643 INTERCHANGEABLE
Circuit Card Assembly
Weigh-Tronix Inc
5961-00-451-5915 INTERCHANGEABLE
Mounting Kit,transi
5950-00-501-1705 INTERCHANGEABLE
Coil,radio Frequency
5330-00-541-225810290 INTERCHANGEABLE
Gasket
Elbitamerica, Inc.
5310-00-545-8402 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
10560745 General Dynamics Land Systems Canadacorp (CAN)
10643 PRIMARY Usi Inc (USA)
10290 North American Controls Inc Dba North American Controls Inc (USA)
Related Parts
3110-00-100-0258INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1264090
6530-00-112-9321INTERCHANGEABLE
TABLE,UTILITY,HOSPITAL
4320-00-126-5219INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
10290
1680-00-393-2702INTERCHANGEABLE
RETAINER,CHECK VALVE
10290
3010-00-412-2358INTERCHANGEABLE
INSERT,FLEXIBLE COUPLING
10643
5998-00-420-4093INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
10643
5961-00-451-5915INTERCHANGEABLE
MOUNTING KIT,TRANSI
5950-00-501-1705INTERCHANGEABLE
COIL,RADIO FREQUENCY
5330-00-541-2258INTERCHANGEABLE
GASKET
10290
5310-00-545-8402INTERCHANGEABLE
WASHER,FLAT
3040-00-830-1895INTERCHANGEABLE
CONNECTING LINK,RIGID
10643
6685-00-845-2190INTERCHANGEABLE
GAGE,VACUUM,INDICATING
138000

Frequently Asked Questions

What is NSN 4940-01-298-5557?

NSN 4940-01-298-5557 is a Adapter,mechanical, manufactured by Usi Inc, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-01-298-5557?

NSN 4940-01-298-5557 has 3 cross-referenced part numbers: 10560745 (General Dynamics Land Systems Canadacorp), 10643 (Usi Inc), 10290 (North American Controls Inc Dba North American Controls Inc).

What NSN replaces 4940-01-298-5557?

There are 12 known substitutes for 4940-01-298-5557: 3110-00-100-0258, 6530-00-112-9321, 4320-00-126-5219 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10643?

Key specifications for 10643: End Item Identification: 2320011231608. 1 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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