PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

810WA48S-30O-Ring

Laurence R G Co Inc · NSN 5331-01-240-5987 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-240-5987 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-240-5987. Primary manufacturer part number: 810WA48S-30.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Criticality Code Justification: ZZZW
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Center Hole Diameter: 2.474 INCHES MINIMUM AND 2.494 INCHES MAXIMUM IN
  • Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
  • Peripheral Diameter: 2.762 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-240-5987, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Laurence R G Co Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, 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
NSN5331-01-240-5987
Primary Part Number810WA48S-30
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLaurence R G Co Inc
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Criticality Code JustificationZZZW
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Center Hole Diameter2.474 INCHES MINIMUM AND 2.494 INCHES MAXIMUM IN
Departure From Cited DocumentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Temp Rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
Peripheral Diameter2.762 INCHES NOMINAL IN
Elongation Percentage160 MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-982-4259MS28775-230 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-219-7931 INTERCHANGEABLE
O-Ring
5331-01-287-4813 INTERCHANGEABLE
O-Ring
5331-01-644-0022MS28775-230 INTERCHANGEABLE
O-Ring
Trelleborg Sealing Solutions Us, Inc.
Cross-Reference Index
Part NumberManufacturer
810WA48S-30 Laurence R G Co Inc (USA)
4856-DPC3 Laurence R G Co Inc (USA)
4856-D Laurence R G Co Inc (USA)
810WA48S-3 Laurence R G Co Inc (USA)
SAE-AS28775 Sae International Dba Sae International (USA)
810WA48S-30 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
MS28775-230 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4856-DPC3 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
810WA48S-3 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
4856-D Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5331-00-982-4259INTERCHANGEABLE
O-RING
MS28775-230
5331-01-219-7931INTERCHANGEABLE
O-RING
5331-01-287-4813INTERCHANGEABLE
O-RING
5331-01-644-0022INTERCHANGEABLE
O-RING
MS28775-230

Frequently Asked Questions

What is NSN 5331-01-240-5987?

NSN 5331-01-240-5987 is a O-Ring, manufactured by Laurence R G Co Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-240-5987?

NSN 5331-01-240-5987 has 10 cross-referenced part numbers: 810WA48S-30 (Laurence R G Co Inc), 4856-DPC3 (Laurence R G Co Inc), 4856-D (Laurence R G Co Inc), 810WA48S-3 (Laurence R G Co Inc), SAE-AS28775 (Sae International Dba Sae International) and 5 more.

What NSN replaces 5331-01-240-5987?

There are 4 known substitutes for 5331-01-240-5987: 5331-00-982-4259, 5331-01-219-7931, 5331-01-287-4813 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 810WA48S-30?

Key specifications for 810WA48S-30: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Criticality Code Justification: ZZZW; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 2.474 INCHES MINIMUM AND 2.494 INCHES MAXIMUM IN. 9 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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