PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400103Seat,bearing

Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems · NSN 3110-01-085-9998 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-085-9998 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-085-9998. Primary manufacturer part number: 400103.
Features
  • Seat,bearing — FSC 3110
  • Material Document and Classification: 66,AISI/SAE 1018 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: FLAT RACE SURFACE
  • Material: STEEL COMP 1018 OVERALL
  • Outside Diameter: 2.1570 INCHES MINIMUM AND 2.1770 INCHES MAXIMUM IN
  • Bore Diameter: 1.2520 INCHES MINIMUM AND 1.2620 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 1018 Overall construction
General Description

The Seat,bearing, cataloged under National Stock Number 3110-01-085-9998, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN3110-01-085-9998
Primary Part Number400103
Item NameSeat,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerZf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
StatusACTIVE
Material Document and Classification66,AISI/SAE 1018 FED STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorFLAT RACE SURFACE
MaterialSTEEL COMP 1018 OVERALL
Outside Diameter2.1570 INCHES MINIMUM AND 2.1770 INCHES MAXIMUM IN
Bore Diameter1.2520 INCHES MINIMUM AND 1.2620 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5306-00-144-3705 INTERCHANGEABLE
Bolt,machine
4730-00-172-0022AS15003-2 INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
5325-00-598-1001400103 INTERCHANGEABLE
Ring,retaining
Hdt Expeditionary Systems Inc
4820-01-212-0736400103 INTERCHANGEABLE
Disk,valve
Cmb Industries Febco Div
4810-01-344-9336 INTERCHANGEABLE
Stem,fluid Valve
Cross-Reference Index
Part NumberManufacturer
400103 PRIMARY Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA)
10560720 General Dynamics Land Systems Canadacorp (CAN)
Related Parts
5306-00-144-3705INTERCHANGEABLE
BOLT,MACHINE
4730-00-172-0022INTERCHANGEABLE
FITTING,LUBRICATION
AS15003-2
5325-00-598-1001INTERCHANGEABLE
RING,RETAINING
400103
4820-01-212-0736INTERCHANGEABLE
DISK,VALVE
400103
4810-01-344-9336INTERCHANGEABLE
STEM,FLUID VALVE

Frequently Asked Questions

What is NSN 3110-01-085-9998?

NSN 3110-01-085-9998 is a Seat,bearing, manufactured by Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-085-9998?

NSN 3110-01-085-9998 has 2 cross-referenced part numbers: 400103 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems), 10560720 (General Dynamics Land Systems Canadacorp).

What NSN replaces 3110-01-085-9998?

There are 5 known substitutes for 3110-01-085-9998: 5306-00-144-3705, 4730-00-172-0022, 5325-00-598-1001 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 400103?

Key specifications for 400103: Material Document and Classification: 66,AISI/SAE 1018 FED STD SINGLE MATERIAL RESPONSE OVERALL; Style Designator: FLAT RACE SURFACE; Material: STEEL COMP 1018 OVERALL; Overall Width: 0.0920 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN. 6 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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