PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1DAG30Seat,helical Compression Spring

Fwd Seagrave Holdings Lp · NSN 5340-00-339-5589 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-339-5589 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-339-5589. Primary manufacturer part number: 1DAG30.
Features
  • Seat,helical Compression Spring — FSC 5340
  • Bore Diameter: 0.3580 INCHES NOMINAL IN
  • First Step Length: 0.0950 INCHES NOMINAL IN
  • Distance From End to First Step: 0.3180 INCHES NOMINAL IN
  • Design Type: SOLID
  • End Diameter: 0.7500 INCHES NOMINAL IN
  • Style Designator: SEAT
  • Counterbore Length: 0.3580 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 5340-00-339-5589, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-339-5589
Primary Part Number1DAG30
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusCANCELLED
Bore Diameter0.3580 INCHES NOMINAL IN
First Step Length0.0950 INCHES NOMINAL IN
Distance From End to First Step0.3180 INCHES NOMINAL IN
Design TypeSOLID
End Diameter0.7500 INCHES NOMINAL IN
Style DesignatorSEAT
Counterbore Length0.3580 INCHES NOMINAL IN
MaterialSTEEL
Counterbore Diameter0.5180 INCHES NOMINAL IN
First Step Diameter0.8000 INCHES NOMINAL IN
Second Step Diameter1.0000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5120-00-112-93595120-00-112-9359 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
2240-00-179-036626019 INTERCHANGEABLE
Wedge,railway Journal Bearing
Volvo Construction Equipment North America, Llc
5935-00-283-71112033960 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
3020-00-318-5668 INTERCHANGEABLE
Gear,spur
5330-00-623-0347996-5 INTERCHANGEABLE
Gasket Set
Sealco Air Controls Inc
4320-00-671-3269996-5 INTERCHANGEABLE
Ram,jack,hydraulic
Columbus Jack Corporation Div Columbus Jack
5935-01-030-4463 INTERCHANGEABLE
Connector,plug,electrical
5330-01-165-13382AN488 INTERCHANGEABLE
Packing,preformed
Oshkosh Defense Llc
4310-01-273-5161 INTERCHANGEABLE
Gas Booster
5330-01-283-540956309 INTERCHANGEABLE
Seal,plain Encased
Altra Industrial Motion Corp.
Cross-Reference Index
Part NumberManufacturer
1DAG30 PRIMARY Fwd Seagrave Holdings Lp (USA)
AG30 Wisconsin Motors, Llc (USA)
9965 Lowndes Engineering Co Inc (USA)
9965 Mars Industries Inc (USA)
CFR40116 Curtis Dyna-Fog, Ltd. (USA)
AG30 M-B Companies, Inc. (USA)
JHP110-33 Hollingsworth John R Co (USA)
41100C8 Aeroil Products Co Inc (USA)
56309 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
Related Parts
5120-00-112-9359INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-112-9359
2240-00-179-0366INTERCHANGEABLE
WEDGE,RAILWAY JOURNAL BEARING
26019
5935-00-283-7111INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2033960
3020-00-318-5668INTERCHANGEABLE
GEAR,SPUR
5330-00-623-0347INTERCHANGEABLE
GASKET SET
996-5
4320-00-671-3269INTERCHANGEABLE
RAM,JACK,HYDRAULIC
996-5
5935-01-030-4463INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5330-01-165-1338INTERCHANGEABLE
PACKING,PREFORMED
2AN488
4310-01-273-5161INTERCHANGEABLE
GAS BOOSTER
5330-01-283-5409INTERCHANGEABLE
SEAL,PLAIN ENCASED
56309
6150-01-302-5688INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
9965
6630-01-569-5587INTERCHANGEABLE
POWER ADAPTER,ANALYTICAL EQUIPME
LZV610

Frequently Asked Questions

What is NSN 5340-00-339-5589?

NSN 5340-00-339-5589 is a Seat,helical Compression Spring, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-339-5589?

NSN 5340-00-339-5589 has 9 cross-referenced part numbers: 1DAG30 (Fwd Seagrave Holdings Lp), AG30 (Wisconsin Motors, Llc), 9965 (Lowndes Engineering Co Inc), 9965 (Mars Industries Inc), CFR40116 (Curtis Dyna-Fog, Ltd.) and 4 more.

What NSN replaces 5340-00-339-5589?

There are 12 known substitutes for 5340-00-339-5589: 5120-00-112-9359, 2240-00-179-0366, 5935-00-283-7111 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1DAG30?

Key specifications for 1DAG30: Bore Diameter: 0.3580 INCHES NOMINAL IN; First Step Length: 0.0950 INCHES NOMINAL IN; Distance From End to First Step: 0.3180 INCHES NOMINAL IN; Design Type: SOLID. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-339-5589 still in active supply?

NSN 5340-00-339-5589 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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