PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AG34BSeat,helical Compression Spring

Wisconsin Motors, Llc · NSN 5340-00-620-0156 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-620-0156 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-620-0156. Primary manufacturer part number: AG34B.
Features
  • Seat,helical Compression Spring — FSC 5340
  • First Step Diameter: 1.0000 INCHES NOMINAL IN
  • Countersink Angle in Deg: 45.0
  • Distance From End to First Step: 0.1250 INCHES NOMINAL IN
  • Countersink Diameter: 0.4732 INCHES NOMINAL IN
  • Design Type: SOLID
  • Style Designator: SEAT
  • End Diameter: 0.8120 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel construction
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-620-0156, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-620-0156
Primary Part NumberAG34B
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusACTIVE
First Step Diameter1.0000 INCHES NOMINAL IN
Countersink Angle in Deg45.0
Distance From End to First Step0.1250 INCHES NOMINAL IN
Countersink Diameter0.4732 INCHES NOMINAL IN
Design TypeSOLID
Style DesignatorSEAT
End Diameter0.8120 INCHES NOMINAL IN
MaterialSTEEL
Bore Diameter0.4420 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5315-00-027-300228047 INTERCHANGEABLE
Pin,shoulder,headless
Defense & Development Enterprises Llc
5365-00-218-624518605 INTERCHANGEABLE
Bushing,tilting Box,pump
Eaton Aerospace, Llc Dba Jackson South
5961-00-257-1688 INTERCHANGEABLE
Semiconductor Device,diode
5342-00-506-883618605 INTERCHANGEABLE
Coupling,clamp,grooved
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5950-00-583-4537 INTERCHANGEABLE
Transformer,radio Frequency
4720-00-876-903728047 INTERCHANGEABLE
Hose Assembly,nonmetallic
Alter Harry Co the Div of T E C
6210-00-951-354518605 INTERCHANGEABLE
Baffle
Cooper Crouse-Hinds Llc
5950-01-032-4513 INTERCHANGEABLE
Coil,radio Frequency
5961-01-079-748718-605 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon Co
3120-01-125-629818-605 INTERCHANGEABLE
Bearing,washer,thrust
Cunico Corporation
Cross-Reference Index
Part NumberManufacturer
AG34B Gardner Denver Inc. (USA)
MAG34B Met-Pro Corporation (USA)
JHP33-82-1 Bandel Mfg., Inc. (USA)
AG34B PRIMARY Wisconsin Motors, Llc (USA)
28047 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
18605 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
Related Parts
5315-00-027-3002INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
28047
5365-00-218-6245INTERCHANGEABLE
BUSHING,TILTING BOX,PUMP
18605
5961-00-257-1688INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5342-00-506-8836INTERCHANGEABLE
COUPLING,CLAMP,GROOVED
18605
5950-00-583-4537INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
4720-00-876-9037INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
28047
6210-00-951-3545INTERCHANGEABLE
BAFFLE
18605
5950-01-032-4513INTERCHANGEABLE
COIL,RADIO FREQUENCY
5961-01-079-7487INTERCHANGEABLE
TRANSISTOR
18-605
3120-01-125-6298INTERCHANGEABLE
BEARING,WASHER,THRUST
18-605
5330-01-351-2783INTERCHANGEABLE
GASKET
18605
5120-01-645-9433INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
18605

Frequently Asked Questions

What is NSN 5340-00-620-0156?

NSN 5340-00-620-0156 is a Seat,helical Compression Spring, manufactured by Wisconsin Motors, Llc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-620-0156?

NSN 5340-00-620-0156 has 6 cross-referenced part numbers: AG34B (Gardner Denver Inc.), MAG34B (Met-Pro Corporation), JHP33-82-1 (Bandel Mfg., Inc.), AG34B (Wisconsin Motors, Llc), 28047 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.) and 1 more.

What NSN replaces 5340-00-620-0156?

There are 12 known substitutes for 5340-00-620-0156: 5315-00-027-3002, 5365-00-218-6245, 5961-00-257-1688 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AG34B?

Key specifications for AG34B: First Step Diameter: 1.0000 INCHES NOMINAL IN; Countersink Angle in Deg: 45.0; Distance From End to First Step: 0.1250 INCHES NOMINAL IN; Countersink Diameter: 0.4732 INCHES NOMINAL IN. 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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