PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

402791O-Ring

Kline Manufacturing Co Inc · NSN 5331-00-118-1139 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-118-1139 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-118-1139. Primary manufacturer part number: 402791.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 2.220 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Kline Manufacturing Co Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-118-1139, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Kline Manufacturing Co Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5331-00-118-1139
Primary Part Number402791
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerKline Manufacturing Co Inc
StatusACTIVE
Cross-Sectional Height0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Center Hole Diameter2.220 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-579-7918 INTERCHANGEABLE
O-Ring
5330-00-930-4843CA5306 INTERCHANGEABLE
Gasket
Stillman Seal Corporation Div Stillman Seal Corperation
5340-01-043-7109402791 INTERCHANGEABLE
Guide,bellow Shaft
Woodward, Inc. Div Fuel Systems and Controls
5961-01-122-7170402791 INTERCHANGEABLE
Transistor
Aimtron Systems, Llc
Cross-Reference Index
Part NumberManufacturer
402791 Kline Manufacturing Co Inc (USA)
002-99955 Kline Manufacturing Co Inc (USA)
Related Parts
5331-00-579-7918INTERCHANGEABLE
O-RING
5330-00-930-4843INTERCHANGEABLE
GASKET
CA5306
5340-01-043-7109INTERCHANGEABLE
GUIDE,BELLOW SHAFT
402791
5961-01-122-7170INTERCHANGEABLE
TRANSISTOR
402791

Frequently Asked Questions

What is NSN 5331-00-118-1139?

NSN 5331-00-118-1139 is a O-Ring, manufactured by Kline Manufacturing Co Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-118-1139?

NSN 5331-00-118-1139 has 2 cross-referenced part numbers: 402791 (Kline Manufacturing Co Inc), 002-99955 (Kline Manufacturing Co Inc).

What NSN replaces 5331-00-118-1139?

There are 4 known substitutes for 5331-00-118-1139: 5331-00-579-7918, 5330-00-930-4843, 5340-01-043-7109 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 402791?

Key specifications for 402791: Cross-Sectional Height: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC; Center Hole Diameter: 2.220 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN. 3 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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