PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7531O-Ring

Lawler Manufacturing Company, Inc. · NSN 5331-01-044-3045 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-044-3045 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-044-3045. Primary manufacturer part number: 7531.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER CHLOROPRENE CLASS CR
  • Cross-Sectional Height: 0.125 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Lawler Manufacturing Company, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Chloroprene Class Cr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-044-3045, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Lawler Manufacturing Company, Inc.. Government technical data includes 2 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-044-3045
Primary Part Number7531
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
MaterialRUBBER CHLOROPRENE CLASS CR
Cross-Sectional Height0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2010-00-213-04983308192 INTERCHANGEABLE
Cover,clutch
Hatch & Kirk, Inc.
5975-00-233-62346531 INTERCHANGEABLE
Protector,electrical Cable
Chance Ab
6810-00-262-8587 INTERCHANGEABLE
Sodium Chlorate
5935-00-802-17947531 INTERCHANGEABLE
Cover,electrical Connector
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
6530-01-099-03647531 INTERCHANGEABLE
Bag,urine Collection,pediatric
Hollister Inc
6625-01-104-7906133-9071 INTERCHANGEABLE
Meter,special Scale
Nautel Maine Inc
6350-01-274-39827531 INTERCHANGEABLE
Control,alarm
Hose-Mccann Telephone Co, Inc
5325-01-301-0508 INTERCHANGEABLE
Ring,retaining
6515-01-371-44677531 INTERCHANGEABLE
Electrode,electrocardiograph
Graphic Controls Corp Medical Products Div
6130-01-671-1940 INTERCHANGEABLE
Charger,battery
Cross-Reference Index
Part NumberManufacturer
72444 PIECE 6 Lawler Manufacturing Company, Inc. (USA)
7531 PRIMARY Lawler Manufacturing Company, Inc. (USA)
Related Parts
2010-00-213-0498INTERCHANGEABLE
COVER,CLUTCH
3308192
5975-00-233-6234INTERCHANGEABLE
PROTECTOR,ELECTRICAL CABLE
6531
6810-00-262-8587INTERCHANGEABLE
SODIUM CHLORATE
5935-00-802-1794INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
7531
6530-01-099-0364INTERCHANGEABLE
BAG,URINE COLLECTION,PEDIATRIC
7531
6625-01-104-7906INTERCHANGEABLE
METER,SPECIAL SCALE
133-9071
6350-01-274-3982INTERCHANGEABLE
CONTROL,ALARM
7531
5325-01-301-0508INTERCHANGEABLE
RING,RETAINING
6515-01-371-4467INTERCHANGEABLE
ELECTRODE,ELECTROCARDIOGRAPH
7531
6130-01-671-1940INTERCHANGEABLE
CHARGER,BATTERY

Frequently Asked Questions

What is NSN 5331-01-044-3045?

NSN 5331-01-044-3045 is a O-Ring, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-044-3045?

NSN 5331-01-044-3045 has 2 cross-referenced part numbers: 72444 PIECE 6 (Lawler Manufacturing Company, Inc.), 7531 (Lawler Manufacturing Company, Inc.).

What NSN replaces 5331-01-044-3045?

There are 10 known substitutes for 5331-01-044-3045: 2010-00-213-0498, 5975-00-233-6234, 6810-00-262-8587 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7531?

Key specifications for 7531: Material: RUBBER CHLOROPRENE CLASS CR; Cross-Sectional Height: 0.125 INCHES NOMINAL IN. 2 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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