PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50338O-Ring

Greenlee Bros and Co · NSN 5331-01-283-7783 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-283-7783 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-283-7783. Primary manufacturer part number: 50338.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.125 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Greenlee Bros and Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-283-7783, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Greenlee Bros and Co. Government technical data includes 1 verified specification, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-283-7783
Primary Part Number50338
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerGreenlee Bros and Co
StatusACTIVE
Cross-Sectional Height0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-223-58571-2INSTMDISC INTERCHANGEABLE
Valve,check
Clayton Manufacturing Company
6532-00-493-376750338 INTERCHANGEABLE
Diaper,infant's
Procter and Gamble Distributing Co Health Care Products/professional Sales
5999-00-636-7940SC-B-69784 INTERCHANGEABLE
Contact,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2940-00-821-8475FBG015DC-BDONHN INTERCHANGEABLE
Filter,fluid
Pti Technologies Inc.
5330-00-961-9148 INTERCHANGEABLE
Packing,preformed
5331-01-344-6263 INTERCHANGEABLE
O-Ring
5995-01-373-9242 INTERCHANGEABLE
Cable Assembly,special Purpose,e
1680-01-714-136950338 INTERCHANGEABLE
Actuator,mechanical,aircraft
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
50338 Greenlee Bros and Co (USA)
905 0338.4 Greenlee Bros and Co (USA)
Related Parts
4820-00-223-5857INTERCHANGEABLE
VALVE,CHECK
1-2INSTMDISC
6532-00-493-3767INTERCHANGEABLE
DIAPER,INFANT'S
50338
5999-00-636-7940INTERCHANGEABLE
CONTACT,ELECTRICAL
SC-B-69784
2940-00-821-8475INTERCHANGEABLE
FILTER,FLUID
FBG015DC-BDONHN
5330-00-961-9148INTERCHANGEABLE
PACKING,PREFORMED
5331-01-344-6263INTERCHANGEABLE
O-RING
5995-01-373-9242INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
1680-01-714-1369INTERCHANGEABLE
ACTUATOR,MECHANICAL,AIRCRAFT
50338

Frequently Asked Questions

What is NSN 5331-01-283-7783?

NSN 5331-01-283-7783 is a O-Ring, manufactured by Greenlee Bros and Co, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-283-7783?

NSN 5331-01-283-7783 has 2 cross-referenced part numbers: 50338 (Greenlee Bros and Co), 905 0338.4 (Greenlee Bros and Co).

What NSN replaces 5331-01-283-7783?

There are 8 known substitutes for 5331-01-283-7783: 4820-00-223-5857, 6532-00-493-3767, 5999-00-636-7940 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50338?

Key specifications for 50338: Cross-Sectional Height: 0.125 INCHES NOMINAL IN. 1 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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