PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BACP11L437O-Ring

Coronado Manufacturing, Inc. · NSN 5331-01-017-3245 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-017-3245 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-017-3245. Primary manufacturer part number: BACP11L437.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.275 INCHES NOMINAL IN
  • 8 verified cross-references
  • Primary manufacturer: Coronado Manufacturing, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-017-3245, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Coronado Manufacturing, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-017-3245
Primary Part NumberBACP11L437
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCoronado Manufacturing, Inc.
StatusACTIVE
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.275 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4920-00-091-0407M197H INTERCHANGEABLE
Mount,optical Transit Square
Brunson Instrument Company Dba Brunson Instrument Co
9330-00-124-633224-37 INTERCHANGEABLE
Plastic Strip
Cmc of Georgia, Inc.
5998-00-160-11112437 INTERCHANGEABLE
Circuit Card Assembly
Mission Systems Davenport Inc.
5133-00-243-9612 INTERCHANGEABLE
Drill,twist
5310-00-282-4778 INTERCHANGEABLE
Nut,plain,hexagon
6670-00-303-7700 INTERCHANGEABLE
Scale,weighing
2815-00-528-63533313900 INTERCHANGEABLE
Ring,piston
Hatch & Kirk, Inc.
5355-00-667-638824-37 INTERCHANGEABLE
Knob
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5910-00-683-29888909490 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
Us Army Aviation and Missile Command
4140-00-713-9320243-7 INTERCHANGEABLE
Impeller,fan,axial
Industrial Design Laboratories Inc
Cross-Reference Index
Part NumberManufacturer
BACP11L437 Coronado Manufacturing, Inc. (USA)
BACP11L437 Trelleborg Sealing Solutions Us, Inc. (USA)
2-437 Dodge-Wasmund Manufacturing Inc (USA)
BACP11L437 Dodge-Wasmund Manufacturing Inc (USA)
BACP11L437 The Boeing Company Div Defense (USA)
11-437 Coronado Manufacturing, Inc. (USA)
BACP11L437 Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (USA)
BACP11L437 Greene Tweed and Co Advantec Div (USA)
Related Parts
4920-00-091-0407INTERCHANGEABLE
MOUNT,OPTICAL TRANSIT SQUARE
M197H
9330-00-124-6332INTERCHANGEABLE
PLASTIC STRIP
24-37
5998-00-160-1111INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2437
5133-00-243-9612INTERCHANGEABLE
DRILL,TWIST
5310-00-282-4778INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6670-00-303-7700INTERCHANGEABLE
SCALE,WEIGHING
2815-00-528-6353INTERCHANGEABLE
RING,PISTON
3313900
5355-00-667-6388INTERCHANGEABLE
KNOB
24-37
5910-00-683-2988INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
8909490
4140-00-713-9320INTERCHANGEABLE
IMPELLER,FAN,AXIAL
243-7
5320-00-754-0260INTERCHANGEABLE
RIVET,TUBULAR
13X37
2910-00-887-1546INTERCHANGEABLE
WIRE,VENT
11437

Frequently Asked Questions

What is NSN 5331-01-017-3245?

NSN 5331-01-017-3245 is a O-Ring, manufactured by Coronado Manufacturing, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-017-3245?

NSN 5331-01-017-3245 has 8 cross-referenced part numbers: BACP11L437 (Coronado Manufacturing, Inc.), BACP11L437 (Trelleborg Sealing Solutions Us, Inc.), 2-437 (Dodge-Wasmund Manufacturing Inc), BACP11L437 (Dodge-Wasmund Manufacturing Inc), BACP11L437 (The Boeing Company Div Defense) and 3 more.

What NSN replaces 5331-01-017-3245?

There are 12 known substitutes for 5331-01-017-3245: 4920-00-091-0407, 9330-00-124-6332, 5998-00-160-1111 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BACP11L437?

Key specifications for BACP11L437: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.275 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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