PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37377Gearshaft,spur

Williams International Co., L.l.c. · NSN 3040-01-158-8690 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-158-8690 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-158-8690. Primary manufacturer part number: 37377.
Features
  • Gearshaft,spur — FSC 3040
  • 2 verified cross-references
  • Primary manufacturer: Williams International Co., L.l.c.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gearshaft,spur, cataloged under National Stock Number 3040-01-158-8690, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Williams International Co., L.l.c.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-158-8690
Primary Part Number37377
Item NameGearshaft,spur
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5306-00-732-8294649877 INTERCHANGEABLE
Bolt,ribbed Shoulder
Am General Llc
1560-01-095-720837377 INTERCHANGEABLE
Body Assembly
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6625-01-281-641137377 INTERCHANGEABLE
Shunt,instrument
Evoqua Water Technologies Llc
4710-01-544-879437377 INTERCHANGEABLE
Tube Assembly,metal
Fascan International, Inc.
Cross-Reference Index
Part NumberManufacturer
37377 Triumph Gear Systems - Macomb, Inc (USA)
37377 PRIMARY Williams International Co., L.l.c. (USA)
Related Parts
5306-00-732-8294INTERCHANGEABLE
BOLT,RIBBED SHOULDER
649877
1560-01-095-7208INTERCHANGEABLE
BODY ASSEMBLY
37377
6625-01-281-6411INTERCHANGEABLE
SHUNT,INSTRUMENT
37377
4710-01-544-8794INTERCHANGEABLE
TUBE ASSEMBLY,METAL
37377

Frequently Asked Questions

What is NSN 3040-01-158-8690?

NSN 3040-01-158-8690 is a Gearshaft,spur, manufactured by Williams International Co., L.l.c., classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-158-8690?

NSN 3040-01-158-8690 has 2 cross-referenced part numbers: 37377 (Triumph Gear Systems - Macomb, Inc), 37377 (Williams International Co., L.l.c.).

What NSN replaces 3040-01-158-8690?

There are 4 known substitutes for 3040-01-158-8690: 5306-00-732-8294, 1560-01-095-7208, 6625-01-281-6411 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37377?

Key specifications for 37377: Special Features: 1.975 IN. LG;32 TEETH;16.000 DIAMETRAL PITCH;20 DEG PRESSURE ANGLE;2.125 IN. MAX DIA;1.821 IN. ROOT DIA;2.000 IN. PITCH DIA;STEEL ALLOY CEVM 9310 PER AMS 6265;SHAFT DIA EA END 0.669 IN.;0.840 IN. FROM GEAR TO EA END OF SHAFT;0.245 IN. FACE WIDTH OF GEAR;WEBBED HUBS EQUAL LGTH IN; End Item Identification: F107-101 ENGINE. 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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