PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3974-2Tie Rod End,steering

Pdi Ground Support Systems, Inc. · NSN 2530-00-670-4579 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-670-4579 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-670-4579. Primary manufacturer part number: 3974-2.
Features
  • Tie Rod End,steering — FSC 2530
  • Taper Length: 0.812 INCHES NOMINAL IN
  • Ball Stud: INCLUDED
  • Design Type: BALL STUD
  • Rod Connecting End Thread Direction: RIGHT-HAND
  • Rod Connecting End Thread Location: EXTERNAL
  • Rod Connecting End Thread Size: 9/16-18
  • Rod Connecting End Thread Length: 1.875 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tie Rod End,steering, cataloged under National Stock Number 2530-00-670-4579, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Pdi Ground Support Systems, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 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
NSN2530-00-670-4579
Primary Part Number3974-2
Item NameTie Rod End,steering
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerPdi Ground Support Systems, Inc.
StatusACTIVE
Taper Length0.812 INCHES NOMINAL IN
Ball StudINCLUDED
Design TypeBALL STUD
Rod Connecting End Thread DirectionRIGHT-HAND
Rod Connecting End Thread LocationEXTERNAL
Rod Connecting End Thread Size9/16-18
Rod Connecting End Thread Length1.875 INCHES NOMINAL IN
Thread Length0.562 INCHES NOMINAL IN
Thread Size7/16-20
Removability FeatureNOT INCLUDED
Tapered Bearing Surface Major Diameter0.531 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Screw Thread Series DesignatorUNF
Rod Connecting End Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6680-01-090-435439742 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5331-01-109-531939742 INTERCHANGEABLE
O-Ring
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
6515-01-420-3141397.42 INTERCHANGEABLE
Blade,retractor,cheek
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5930-01-589-096339742 INTERCHANGEABLE
Switch,tilt
G.s. Blodgett, Llc Div Blodgett
Cross-Reference Index
Part NumberManufacturer
SAW-6704579 Gse Services Pty Ltd (AUS)
3974-2 PRIMARY Pdi Ground Support Systems, Inc. (USA)
L12SV23A31 Eaton Corp Dba Eaton Aerospace Jackson (USA)
2530PL1655242 Jednolity Indeks Materialowy - Uniform Material Index (POL)
L12SV23A16 Eaton Corp Dba Eaton Aerospace Jackson (USA)
SAW-6704579 PRIMARY Southern Automotive Wholesalers, Inc (USA)
2520PL1627857 Jednolity Indeks Materialowy - Uniform Material Index (POL)
ES177 Eaton Corp Dba Eaton Aerospace Jackson (USA)
L-14-SV-991-B-12 Eaton Corp Dba Eaton Aerospace Jackson (USA)
Related Parts
6680-01-090-4354INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
39742
5331-01-109-5319INTERCHANGEABLE
O-RING
39742
6515-01-420-3141INTERCHANGEABLE
BLADE,RETRACTOR,CHEEK
397.42
5930-01-589-0963INTERCHANGEABLE
SWITCH,TILT
39742

Frequently Asked Questions

What is NSN 2530-00-670-4579?

NSN 2530-00-670-4579 is a Tie Rod End,steering, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 2530 (No Item Name Available). Status: active.

What are the part numbers for NSN 2530-00-670-4579?

NSN 2530-00-670-4579 has 9 cross-referenced part numbers: SAW-6704579 (Gse Services Pty Ltd), 3974-2 (Pdi Ground Support Systems, Inc.), L12SV23A31 (Eaton Corp Dba Eaton Aerospace Jackson), 2530PL1655242 (Jednolity Indeks Materialowy - Uniform Material Index), L12SV23A16 (Eaton Corp Dba Eaton Aerospace Jackson) and 4 more.

What NSN replaces 2530-00-670-4579?

There are 4 known substitutes for 2530-00-670-4579: 6680-01-090-4354, 5331-01-109-5319, 6515-01-420-3141 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3974-2?

Key specifications for 3974-2: Taper Length: 0.812 INCHES NOMINAL IN; Ball Stud: INCLUDED; Design Type: BALL STUD; Rod Connecting End Thread Direction: RIGHT-HAND. 15 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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