PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-11109-122Washer,flat

Trelleborg Sealing Solutions Us, Inc. · NSN 5310-01-018-5260 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-018-5260 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-018-5260. Primary manufacturer part number: S-11109-122.
Features
  • Washer,flat — FSC 5310
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Hole Diameter: 1.125 INCHES NOMINAL IN
  • Thickness: 0.025 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 1.312 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-018-5260, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5310-01-018-5260
Primary Part NumberS-11109-122
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTrelleborg Sealing Solutions Us, Inc.
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Hole Diameter1.125 INCHES NOMINAL IN
Thickness0.025 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Overall Diameter1.312 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-688-407333-109 INTERCHANGEABLE
Adapter,connector
Te Connectivity Corporation Dba Microdot Products
4920-01-300-193992103 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
3120-01-463-5117921-03 INTERCHANGEABLE
Parts Kit,bearing Replacement,me
Rtx Corporation Div Pratt & Whitney
Cross-Reference Index
Part NumberManufacturer
S-11109-122-1 Baird Dynamic Co Inc (USA)
92103 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
S-11109-122 PRIMARY Trelleborg Sealing Solutions Us, Inc. (USA)
Related Parts
5935-00-688-4073INTERCHANGEABLE
ADAPTER,CONNECTOR
33-109
4920-01-300-1939INTERCHANGEABLE
TEST PROGRAM SET
92103
3120-01-463-5117INTERCHANGEABLE
PARTS KIT,BEARING REPLACEMENT,ME
921-03

Frequently Asked Questions

What is NSN 5310-01-018-5260?

NSN 5310-01-018-5260 is a Washer,flat, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-018-5260?

NSN 5310-01-018-5260 has 3 cross-referenced part numbers: S-11109-122-1 (Baird Dynamic Co Inc), 92103 (Ingersoll-Rand Company Dba Ingersoll-Rand), S-11109-122 (Trelleborg Sealing Solutions Us, Inc.).

What NSN replaces 5310-01-018-5260?

There are 3 known substitutes for 5310-01-018-5260: 5935-00-688-4073, 4920-01-300-1939, 3120-01-463-5117. Verify interchangeability with system specifications before substitution.

What are the specifications of S-11109-122?

Key specifications for S-11109-122: Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Hole Diameter: 1.125 INCHES NOMINAL IN; Thickness: 0.025 INCHES NOMINAL IN; Peripheral Shape Style: ROUND. 7 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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