PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25829Coupling,shaft,flexible

Senior Operations Llc Dba Metal Bellows Div Metal Bellows · NSN 3010-00-005-7640 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-005-7640 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-005-7640. Primary manufacturer part number: 25829.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Bore Diameter: 3.0000 INCHES NOMINAL BOTH ENDS IN
  • Bore Shape: STRAIGHT BOTH ENDS
  • Design Type: BELLOWS
  • Securing Method: THREADED HOLE(S) BOTH ENDS
  • Bellows Material: STEEL CORROSION RESISTING
  • Thread Size Designator: 8.32 BOTH ENDS
  • Bore Length: 3.0000 INCHES NOMINAL BOTH ENDS IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-005-7640, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Senior Operations Llc Dba Metal Bellows Div Metal Bellows. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN3010-00-005-7640
Primary Part Number25829
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerSenior Operations Llc Dba Metal Bellows Div Metal Bellows
StatusACTIVE
Bore Diameter3.0000 INCHES NOMINAL BOTH ENDS IN
Bore ShapeSTRAIGHT BOTH ENDS
Design TypeBELLOWS
Securing MethodTHREADED HOLE(S) BOTH ENDS
Bellows MaterialSTEEL CORROSION RESISTING
Thread Size Designator8.32 BOTH ENDS
Bore Length3.0000 INCHES NOMINAL BOTH ENDS IN
Threaded Hole Quantity2 BOTH ENDS
Threaded Hole LocationBOTH LOCATED ON HUB 90 DEG APART
Outside Diameter1.625 INCHES NOMINAL1.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2915-00-215-076125829 INTERCHANGEABLE
Seal,pump Coupling
Hydro-Aire Aerospace Corp
4820-00-287-389710M013 INTERCHANGEABLE
Valve,globe
Dragon Valves Inc
5315-00-316-10298329608 INTERCHANGEABLE
Pin
U S Army Tank Automotive Command Amsta-Im-Mm
4820-01-175-219825829 INTERCHANGEABLE
Valve,linear,directional Control
Allied Systems Company Dba Allied Systems Co
5330-01-298-4830 INTERCHANGEABLE
Seal,nonmetallic Round Section
Cross-Reference Index
Part NumberManufacturer
STS13 Senior Flexonics Inc (USA)
25829 PRIMARY Senior Operations Llc Dba Metal Bellows Div Metal Bellows (USA)
SM-A-948052-2 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
STS13 Senior Operations Llc Dba Metal Bellows Div Metal Bellows (USA)
Related Parts
2915-00-215-0761INTERCHANGEABLE
SEAL,PUMP COUPLING
25829
4820-00-287-3897INTERCHANGEABLE
VALVE,GLOBE
10M013
5315-00-316-1029INTERCHANGEABLE
PIN
8329608
4820-01-175-2198INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
25829
5330-01-298-4830INTERCHANGEABLE
SEAL,NONMETALLIC ROUND SECTION

Frequently Asked Questions

What is NSN 3010-00-005-7640?

NSN 3010-00-005-7640 is a Coupling,shaft,flexible, manufactured by Senior Operations Llc Dba Metal Bellows Div Metal Bellows, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-005-7640?

NSN 3010-00-005-7640 has 4 cross-referenced part numbers: STS13 (Senior Flexonics Inc), 25829 (Senior Operations Llc Dba Metal Bellows Div Metal Bellows), SM-A-948052-2 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), STS13 (Senior Operations Llc Dba Metal Bellows Div Metal Bellows).

What NSN replaces 3010-00-005-7640?

There are 5 known substitutes for 3010-00-005-7640: 2915-00-215-0761, 4820-00-287-3897, 5315-00-316-1029 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25829?

Key specifications for 25829: Bore Diameter: 3.0000 INCHES NOMINAL BOTH ENDS IN; Bore Shape: STRAIGHT BOTH ENDS; Design Type: BELLOWS; Securing Method: THREADED HOLE(S) BOTH ENDS. 11 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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