PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13801Transmission Unit

Simmonds Precision Products Inc · NSN 6680-00-399-2777 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-399-2777 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-399-2777. Primary manufacturer part number: 13801.
Features
  • Transmission Unit — FSC 6680
  • 2 verified cross-references
  • Primary manufacturer: Simmonds Precision Products Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transmission Unit, cataloged under National Stock Number 6680-00-399-2777, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simmonds Precision Products Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTransmission Unit
FSC / FSG6680 — No Item Name Available (FSG 66)
ManufacturersSimmonds Precision Products Inc Instrument Systems Div (CAGE 27113); Simmonds Precision Products Inc (CAGE 89305)
Technical Specifications
ParameterValue
NSN6680-00-399-2777
Primary Part Number13801
Item NameTransmission Unit
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerSimmonds Precision Products Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5306-00-099-503313801 INTERCHANGEABLE
Bolt,special
Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd
5120-00-198-5400 INTERCHANGEABLE
Key,socket Head Screw
4940-00-242-1448 INTERCHANGEABLE
Blast Cleaning Machine
5975-00-415-60581521-DC INTERCHANGEABLE
Nipple,electrical Conduit
Gordon Electric Supply Inc
5331-00-531-4586 INTERCHANGEABLE
O-Ring
5950-00-731-9630SM-C-502636-2 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5315-00-874-449813-801 INTERCHANGEABLE
Pin,shoulder,headed
Pdi Ground Support Systems, Inc.
6760-00-927-474313801 INTERCHANGEABLE
Brush Ring Assembly
Kollmorgen Corp
5930-01-186-820813801 INTERCHANGEABLE
Switch,thermostatic
American Wyott Corporation Dba Apw Wyott Food Service Equipment
5950-01-291-914113801 INTERCHANGEABLE
Coil,electrical
Magnespec Inc
Cross-Reference Index
Part NumberManufacturer
4000374 Simmonds Precision Products Inc Instrument Systems Div (USA)
13801 PRIMARY Simmonds Precision Products Inc (USA)
Related Parts
5306-00-099-5033INTERCHANGEABLE
BOLT,SPECIAL
13801
5120-00-198-5400INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
4940-00-242-1448INTERCHANGEABLE
BLAST CLEANING MACHINE
5975-00-415-6058INTERCHANGEABLE
NIPPLE,ELECTRICAL CONDUIT
1521-DC
5331-00-531-4586INTERCHANGEABLE
O-RING
5950-00-731-9630INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-502636-2
5315-00-874-4498INTERCHANGEABLE
PIN,SHOULDER,HEADED
13-801
6760-00-927-4743INTERCHANGEABLE
BRUSH RING ASSEMBLY
13801
5930-01-186-8208INTERCHANGEABLE
SWITCH,THERMOSTATIC
13801
5950-01-291-9141INTERCHANGEABLE
COIL,ELECTRICAL
13801
6515-01-343-8557INTERCHANGEABLE
GLOVES,SURGEONS'
1660-01-641-4086INTERCHANGEABLE
MASK,OXYGEN
138-01

Frequently Asked Questions

What is NSN 6680-00-399-2777?

NSN 6680-00-399-2777 is a Transmission Unit, manufactured by Simmonds Precision Products Inc, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-399-2777?

NSN 6680-00-399-2777 has 2 cross-referenced part numbers: 4000374 (Simmonds Precision Products Inc Instrument Systems Div), 13801 (Simmonds Precision Products Inc).

What NSN replaces 6680-00-399-2777?

There are 12 known substitutes for 6680-00-399-2777: 5306-00-099-5033, 5120-00-198-5400, 4940-00-242-1448 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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