PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RB16548-6O-Ring

Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec · NSN 5331-00-263-8030 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-263-8030 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-263-8030. Primary manufacturer part number: RB16548-6.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Center Hole Diameter: 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
  • Outside Diameter: 0.613 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
  • 49 verified cross-references
  • Primary manufacturer: Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
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 5331-00-263-8030, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 49 commercial cross-references from 39 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-263-8030
Primary Part NumberRB16548-6
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
StatusCANCELLED
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Center Hole Diameter0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
Outside Diameter0.613 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Cross-Sectional Height0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3455-00-021-2415 INTERCHANGEABLE
File,rotary
1630-00-227-652417936 INTERCHANGEABLE
Poppet,brake Cylinder
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4730-00-369-432217936 INTERCHANGEABLE
Tee,tank Storage
Provision, Inc. Dba Provision Inc
5961-00-494-8982 INTERCHANGEABLE
Semiconductor Device,diode
6625-00-585-1853816128 INTERCHANGEABLE
Meter,electrical Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5331-00-722-4995 INTERCHANGEABLE
O-Ring
5330-01-113-2202179306 INTERCHANGEABLE
Gasket
Cummins Inc.
4810-01-130-6713 INTERCHANGEABLE
Housing,butterfly Valve
5331-01-207-9385 INTERCHANGEABLE
O-Ring
6680-01-239-417878666 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
S8316K6 Proponent, Inc. Dba Proponent (USA)
MS29512-06 Bae Systems Land & Armaments L.p. (USA)
MS29512-6ES Eriks B.v. (NLD)
MS29512-06 Society of Automotive Engineers Inc (USA)
1793-6 Parker-Hannifin Corporation Div O-Ring Division (USA)
7866-6 Parker Hannifin Corporation Div O-Ring Division (USA)
MS29512-06 Goriziane Group Spa (ITA)
7190406E Zf Industrieantriebe Witten Gmbh (DEU)
SR-822A-60-06 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
N602-70-06 Parker-Hannifin Corp Div O-Ring Division (USA)
816128 Terex American Crane Corp (USA)
1793-06 Parker-Hannifin Corporation Div O-Ring Division (USA)
MS29512-6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5331PL0804146 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS29512-6 Sae International Dba Sae International (USA)
MS29512-06 Le Joint Francais (FRA)
S8316K6 Honeywell International Inc. Div Aerospace - Torrance (USA)
SAE-AS29512 Sae International Dba Sae International (USA)
MS29512-06 Leonardo Spa Helicopters Division - Production Site (ITA)
MS29512-06 Aero Stock (FRA)
Related Parts
3455-00-021-2415INTERCHANGEABLE
FILE,ROTARY
1630-00-227-6524INTERCHANGEABLE
POPPET,BRAKE CYLINDER
17936
4730-00-369-4322INTERCHANGEABLE
TEE,TANK STORAGE
17936
5961-00-494-8982INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
6625-00-585-1853INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
816128
5331-00-722-4995INTERCHANGEABLE
O-RING
5330-01-113-2202INTERCHANGEABLE
GASKET
179306
4810-01-130-6713INTERCHANGEABLE
HOUSING,BUTTERFLY VALVE
5331-01-207-9385INTERCHANGEABLE
O-RING
6680-01-239-4178INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
78666
5331-01-304-3455INTERCHANGEABLE
O-RING
7190406E
4130-01-459-9188INTERCHANGEABLE
VACU-DISCS

Frequently Asked Questions

What is NSN 5331-00-263-8030?

NSN 5331-00-263-8030 is a O-Ring, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-263-8030?

NSN 5331-00-263-8030 has 49 cross-referenced part numbers: S8316K6 (Proponent, Inc. Dba Proponent), MS29512-06 (Bae Systems Land & Armaments L.p.), MS29512-6ES (Eriks B.v.), MS29512-06 (Society of Automotive Engineers Inc), 1793-6 (Parker-Hannifin Corporation Div O-Ring Division) and 44 more.

What NSN replaces 5331-00-263-8030?

There are 12 known substitutes for 5331-00-263-8030: 3455-00-021-2415, 1630-00-227-6524, 4730-00-369-4322 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RB16548-6?

Key specifications for RB16548-6: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; ARMORED MULTI-PURPOSE VEHICLE (AMPV); Center Hole Diameter: 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN; Outside Diameter: 0.613 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-263-8030 still in active supply?

NSN 5331-00-263-8030 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.
PartsTable Design LLC · partstable.com