PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

29513O-Ring

Lockwood Corp · NSN 5331-01-087-0685 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-087-0685 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-087-0685. Primary manufacturer part number: 29513.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Lockwood Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-087-0685, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Lockwood Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersLockwood Corp (CAGE 12472)
Technical Specifications
ParameterValue
NSN5331-01-087-0685
Primary Part Number29513
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLockwood Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-466-3688 INTERCHANGEABLE
Packing,preformed
4730-01-022-5679 INTERCHANGEABLE
Flange,pipe
4820-01-216-1533 INTERCHANGEABLE
Adapter,union,valve
5999-01-407-3930013000-295 INTERCHANGEABLE
Contact Assembly,electrical
Mackay Communications Inc Dba Mackay Marine
6520-01-480-797529513 INTERCHANGEABLE
Syringe,dental Filling Material
Kerr Corporation
6850-01-499-358911-010-HT INTERCHANGEABLE
Sealer,chemical
Palm Laboratories, Inc.
Cross-Reference Index
Part NumberManufacturer
29513 Lockwood Corp (USA)
Related Parts
5330-00-466-3688INTERCHANGEABLE
PACKING,PREFORMED
4730-01-022-5679INTERCHANGEABLE
FLANGE,PIPE
4820-01-216-1533INTERCHANGEABLE
ADAPTER,UNION,VALVE
5999-01-407-3930INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
013000-295
6520-01-480-7975INTERCHANGEABLE
SYRINGE,DENTAL FILLING MATERIAL
29513
6850-01-499-3589INTERCHANGEABLE
SEALER,CHEMICAL
11-010-HT

Frequently Asked Questions

What is NSN 5331-01-087-0685?

NSN 5331-01-087-0685 is a O-Ring, manufactured by Lockwood Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-087-0685?

NSN 5331-01-087-0685 has 1 cross-referenced part number: 29513 (Lockwood Corp).

What NSN replaces 5331-01-087-0685?

There are 6 known substitutes for 5331-01-087-0685: 5330-00-466-3688, 4730-01-022-5679, 4820-01-216-1533 and 3 more. Verify interchangeability with system specifications before substitution.

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