PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4996O-Ring

Alfa Laval Inc · NSN 5331-00-297-9859 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-297-9859 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-297-9859. Primary manufacturer part number: 4996.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Cross-Sectional Height: 0.188 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Alfa Laval Inc
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 5331-00-297-9859, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Alfa Laval Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-297-9859
Primary Part Number4996
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAlfa Laval Inc
StatusCANCELLED
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Cross-Sectional Height0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5305-00-531-15394996D INTERCHANGEABLE
Screw,machine
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
5930-00-890-436811614140 INTERCHANGEABLE
Switch,rotary
U S Army Tank Automotive Command Amsta-Im-Mm
5305-01-195-78204996 INTERCHANGEABLE
Screw,drilled Head
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
7930-01-381-3378100925283 INTERCHANGEABLE
Cleaning Compound,toilet Bowl
Sealed Air Corp Dba Sealed Air Shrink Packaging Division Div Sealed Air Corporation
5120-01-473-1917J4996 INTERCHANGEABLE
Key Set,socket Head Screw
The Stanley Works Dba Stanley Proto
4010-01-493-9460499-6 INTERCHANGEABLE
Wire Rope Assembly,single Leg
Lifesaving Systems Llc
3040-01-498-96034996 INTERCHANGEABLE
Clutch Housing Hfe
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
Cross-Reference Index
Part NumberManufacturer
4996 PRIMARY Alfa Laval Inc (USA)
9914996 PRIMARY Alfa Laval Inc (USA)
5330-223-17 General Stores Supply Office (USA)
4996D Alfa Laval Inc (USA)
Related Parts
5305-00-531-1539INTERCHANGEABLE
SCREW,MACHINE
4996D
5930-00-890-4368INTERCHANGEABLE
SWITCH,ROTARY
11614140
5305-01-195-7820INTERCHANGEABLE
SCREW,DRILLED HEAD
4996
7930-01-381-3378INTERCHANGEABLE
CLEANING COMPOUND,TOILET BOWL
100925283
5120-01-473-1917INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
J4996
4010-01-493-9460INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
499-6
3040-01-498-9603INTERCHANGEABLE
CLUTCH HOUSING HFE
4996

Frequently Asked Questions

What is NSN 5331-00-297-9859?

NSN 5331-00-297-9859 is a O-Ring, manufactured by Alfa Laval Inc, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-297-9859?

NSN 5331-00-297-9859 has 4 cross-referenced part numbers: 4996 (Alfa Laval Inc), 9914996 (Alfa Laval Inc), 5330-223-17 (General Stores Supply Office), 4996D (Alfa Laval Inc).

What NSN replaces 5331-00-297-9859?

There are 7 known substitutes for 5331-00-297-9859: 5305-00-531-1539, 5930-00-890-4368, 5305-01-195-7820 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4996?

Key specifications for 4996: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.188 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-297-9859 still in active supply?

NSN 5331-00-297-9859 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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