PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3388O-Ring

Walchem Corp · NSN 5331-01-053-1942 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-053-1942 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-053-1942. Primary manufacturer part number: 3388.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.123 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • 3 verified cross-references
  • Primary manufacturer: Walchem Corp
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 5331-01-053-1942, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Walchem Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5331-01-053-1942
Primary Part Number3388
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerWalchem Corp
StatusACTIVE
Cross-Sectional Height0.123 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5970-00-284-8565 INTERCHANGEABLE
Tape,insulation,electrical
2920-00-293-5222308 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
3020-00-324-763914U1016PCDA6734 INTERCHANGEABLE
Gear,helical
Naval Sea Systems Command
2530-00-353-10583388 INTERCHANGEABLE
Lining,friction
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5998-00-488-0722 INTERCHANGEABLE
Circuit Card Assembly
4820-00-785-080093130 INTERCHANGEABLE
Valve,pneumatic Tank
Aeroil Products Co Inc
5995-00-969-22623388 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Champion Aerospace Llc
6145-00-982-2677673/4 INTERCHANGEABLE
Cable,power,electrical
Belden, Inc.
5950-01-004-5279138C062H04 INTERCHANGEABLE
Transformer,power
Northrop Grumman Support Services Corp
5998-01-069-65936734 INTERCHANGEABLE
Printed Wiring Board
L3 Technologies, Inc. Div Communication Systems-West
Cross-Reference Index
Part NumberManufacturer
3388 Solventum Purification Inc. Div Filtration and Separation Division (USA)
3388 PRIMARY Walchem Corp (USA)
6734 Walchem Corp (USA)
Related Parts
5970-00-284-8565INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
2920-00-293-5222INTERCHANGEABLE
SPARK PLUG
308
3020-00-324-7639INTERCHANGEABLE
GEAR,HELICAL
14U1016PCDA6734
2530-00-353-1058INTERCHANGEABLE
LINING,FRICTION
3388
5998-00-488-0722INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4820-00-785-0800INTERCHANGEABLE
VALVE,PNEUMATIC TANK
93130
5995-00-969-2262INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
3388
6145-00-982-2677INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
673/4
5950-01-004-5279INTERCHANGEABLE
TRANSFORMER,POWER
138C062H04
5998-01-069-6593INTERCHANGEABLE
PRINTED WIRING BOARD
6734
6625-01-111-6622INTERCHANGEABLE
TEST SET,RADIO FREQUENCY POWER
6734
6505-01-172-6993INTERCHANGEABLE
CEFOXITIN FOR INJECTION
3388

Frequently Asked Questions

What is NSN 5331-01-053-1942?

NSN 5331-01-053-1942 is a O-Ring, manufactured by Walchem Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-053-1942?

NSN 5331-01-053-1942 has 3 cross-referenced part numbers: 3388 (Solventum Purification Inc. Div Filtration and Separation Division), 3388 (Walchem Corp), 6734 (Walchem Corp).

What NSN replaces 5331-01-053-1942?

There are 12 known substitutes for 5331-01-053-1942: 5970-00-284-8565, 2920-00-293-5222, 3020-00-324-7639 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3388?

Key specifications for 3388: Cross-Sectional Height: 0.123 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 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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