PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3734O-Ring

Husco International Inc · NSN 5331-00-248-3177 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-248-3177 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-248-3177. Primary manufacturer part number: 3734.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU
  • Cross-Sectional Height: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Husco International Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr or Rubber Polyester Urethane Class Au or Rubber Polyether Urethane Class Eu construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-248-3177, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Husco International Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN5331-00-248-3177
Primary Part Number3734
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHusco International Inc
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU
Cross-Sectional Height0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
Center Hole Diameter1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-038-89003734 INTERCHANGEABLE
Gasket
Eaton Corporation Div Fed
5935-00-059-30401048712-4-4 INTERCHANGEABLE
Jack,tip
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
4820-00-202-76421124000400 INTERCHANGEABLE
Valve,check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
5930-00-504-6087 INTERCHANGEABLE
Switch,toggle
5950-00-683-37951806808 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-837-2770 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4820-00-949-751937 3-4 INTERCHANGEABLE
Valve,check
Crane Co Div Valve Div
6625-01-103-4367D-03734-000 INTERCHANGEABLE
Pickup-Vibration
Balance Technology Inc Dba Lannen Investment Co
4820-01-124-823637-3/4 INTERCHANGEABLE
Valve,check
Crane Co Div Valve Div
6515-01-383-78960037340 INTERCHANGEABLE
Catheter,urethral
Bard C R Inc Bard Urological Div
Cross-Reference Index
Part NumberManufacturer
3734 PRIMARY Husco International Inc (USA)
Related Parts
5330-00-038-8900INTERCHANGEABLE
GASKET
3734
5935-00-059-3040INTERCHANGEABLE
JACK,TIP
1048712-4-4
4820-00-202-7642INTERCHANGEABLE
VALVE,CHECK
1124000400
5930-00-504-6087INTERCHANGEABLE
SWITCH,TOGGLE
5950-00-683-3795INTERCHANGEABLE
TRANSFORMER,POWER
1806808
5905-00-837-2770INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4820-00-949-7519INTERCHANGEABLE
VALVE,CHECK
37 3-4
6625-01-103-4367INTERCHANGEABLE
PICKUP-VIBRATION
D-03734-000
4820-01-124-8236INTERCHANGEABLE
VALVE,CHECK
37-3/4
6515-01-383-7896INTERCHANGEABLE
CATHETER,URETHRAL
0037340

Frequently Asked Questions

What is NSN 5331-00-248-3177?

NSN 5331-00-248-3177 is a O-Ring, manufactured by Husco International Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-248-3177?

NSN 5331-00-248-3177 has 1 cross-referenced part number: 3734 (Husco International Inc).

What NSN replaces 5331-00-248-3177?

There are 10 known substitutes for 5331-00-248-3177: 5330-00-038-8900, 5935-00-059-3040, 4820-00-202-7642 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3734?

Key specifications for 3734: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU; Cross-Sectional Height: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN; Center Hole Diameter: 1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN. 3 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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