PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8351203Seat,bearing

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3110-00-999-7555 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-999-7555 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-999-7555. Primary manufacturer part number: 8351203.
Features
  • Seat,bearing — FSC 3110
  • Style Designator: FLAT RACE SURFACE
  • Material: STEEL OVERALL
  • Bore Diameter: 1.0020 INCHES MINIMUM AND 1.0120 INCHES MAXIMUM IN
  • Outside Diameter: 1.5230 INCHES MINIMUM AND 1.5520 INCHES MAXIMUM IN
  • 4 verified cross-references
  • Primary manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Seat,bearing, cataloged under National Stock Number 3110-00-999-7555, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 4 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-999-7555
Primary Part Number8351203
Item NameSeat,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Style DesignatorFLAT RACE SURFACE
MaterialSTEEL OVERALL
Bore Diameter1.0020 INCHES MINIMUM AND 1.0120 INCHES MAXIMUM IN
Outside Diameter1.5230 INCHES MINIMUM AND 1.5520 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-01-125-8281T.R.E. 1625 INTERCHANGEABLE
Washer,flat
Timken Europe , a Branch of the Timken Company
4510-01-280-4224TA-10 INTERCHANGEABLE
Stem Assembly,faucet
Symmons Industries Inc
5365-01-399-8005 INTERCHANGEABLE
Spacer,ring
Cross-Reference Index
Part NumberManufacturer
8351203 Timken Aerospace, Inc Dba Torrington Product (USA)
8351203 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
033035 Safran Martin-Baker France (FRA)
TRE1625 Timken Aerospace, Inc Dba Torrington Product (USA)
Related Parts
5310-01-125-8281INTERCHANGEABLE
WASHER,FLAT
T.R.E. 1625
4510-01-280-4224INTERCHANGEABLE
STEM ASSEMBLY,FAUCET
TA-10
5365-01-399-8005INTERCHANGEABLE
SPACER,RING

Frequently Asked Questions

What is NSN 3110-00-999-7555?

NSN 3110-00-999-7555 is a Seat,bearing, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-999-7555?

NSN 3110-00-999-7555 has 4 cross-referenced part numbers: 8351203 (Timken Aerospace, Inc Dba Torrington Product), 8351203 (U S Army Tank Automotive Command Amsta-Im-Mm), 033035 (Safran Martin-Baker France), TRE1625 (Timken Aerospace, Inc Dba Torrington Product).

What NSN replaces 3110-00-999-7555?

There are 3 known substitutes for 3110-00-999-7555: 5310-01-125-8281, 4510-01-280-4224, 5365-01-399-8005. Verify interchangeability with system specifications before substitution.

What are the specifications of 8351203?

Key specifications for 8351203: Style Designator: FLAT RACE SURFACE; Material: STEEL OVERALL; Bore Diameter: 1.0020 INCHES MINIMUM AND 1.0120 INCHES MAXIMUM IN; Outside Diameter: 1.5230 INCHES MINIMUM AND 1.5520 INCHES MAXIMUM IN. 5 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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