PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01-511-1 PIECE 40O-Ring

Reynolds Equipment Co · NSN 5331-01-181-7395 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-181-7395 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-181-7395. Primary manufacturer part number: 01-511-1 PIECE 40.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Reynolds Equipment Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-181-7395, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Reynolds Equipment Co. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersReynolds Equipment Co (CAGE 56521)
Technical Specifications
ParameterValue
NSN5331-01-181-7395
Primary Part Number01-511-1 PIECE 40
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerReynolds Equipment Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4330-00-068-8187348-3 INTERCHANGEABLE
Filter Element,fluid
Collins Engine Nozzles, Inc
5330-00-078-3858106450 INTERCHANGEABLE
Gasket
Vulcan-Hart Corp
5120-00-089-0874 INTERCHANGEABLE
Pliers,retaining Ring
2825-00-146-9101111005 INTERCHANGEABLE
Bucket Assembly
Northrop Grumman Systems Corporation Div Marine Systems
5331-00-291-3083MS29513-144 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
3510-00-359-9339 INTERCHANGEABLE
Box,flue
9330-00-916-1606 INTERCHANGEABLE
Plastic Sheet,pressure Sensitive
4730-01-093-25640204-6-4B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
2910-01-195-4112G3728 INTERCHANGEABLE
Filter,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
2530-01-322-58193166A INTERCHANGEABLE
Brake Drum
Kelsey-Hayes Co Gunite Div
Cross-Reference Index
Part NumberManufacturer
01-511-1 PIECE 40 Reynolds Equipment Co (USA)
34-83 Reynolds Equipment Co (USA)
Related Parts
4330-00-068-8187INTERCHANGEABLE
FILTER ELEMENT,FLUID
348-3
5330-00-078-3858INTERCHANGEABLE
GASKET
106450
5120-00-089-0874INTERCHANGEABLE
PLIERS,RETAINING RING
2825-00-146-9101INTERCHANGEABLE
BUCKET ASSEMBLY
111005
5331-00-291-3083INTERCHANGEABLE
O-RING
MS29513-144
3510-00-359-9339INTERCHANGEABLE
BOX,FLUE
9330-00-916-1606INTERCHANGEABLE
PLASTIC SHEET,PRESSURE SENSITIVE
4730-01-093-2564INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
0204-6-4B
2910-01-195-4112INTERCHANGEABLE
FILTER,FLUID
G3728
2530-01-322-5819INTERCHANGEABLE
BRAKE DRUM
3166A
5120-01-428-8486INTERCHANGEABLE
PLIERS,RETAINING RING
SRPCR3800

Frequently Asked Questions

What is NSN 5331-01-181-7395?

NSN 5331-01-181-7395 is a O-Ring, manufactured by Reynolds Equipment Co, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-181-7395?

NSN 5331-01-181-7395 has 2 cross-referenced part numbers: 01-511-1 PIECE 40 (Reynolds Equipment Co), 34-83 (Reynolds Equipment Co).

What NSN replaces 5331-01-181-7395?

There are 11 known substitutes for 5331-01-181-7395: 4330-00-068-8187, 5330-00-078-3858, 5120-00-089-0874 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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