PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D-39O-Ring

A a a Products Co · NSN 5331-01-277-2193 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-277-2193 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-277-2193. Primary manufacturer part number: D-39.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: A a a Products Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-277-2193, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is A a a Products Co. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersA a a Products Co (CAGE 26226)
Technical Specifications
ParameterValue
NSN5331-01-277-2193
Primary Part NumberD-39
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerA a a Products Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2990-00-443-4796M0M12-0100 INTERCHANGEABLE
Muffler,exhaust
Donaldson Company, Inc.
Cross-Reference Index
Part NumberManufacturer
D-39 PRIMARY A a a Products Co (USA)
Related Parts
2990-00-443-4796INTERCHANGEABLE
MUFFLER,EXHAUST
M0M12-0100

Frequently Asked Questions

What is NSN 5331-01-277-2193?

NSN 5331-01-277-2193 is a O-Ring, manufactured by A a a Products Co, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-277-2193?

NSN 5331-01-277-2193 has 1 cross-referenced part number: D-39 (A a a Products Co).

What NSN replaces 5331-01-277-2193?

There is 1 known substitute for 5331-01-277-2193: 2990-00-443-4796. Verify interchangeability with system specifications before substitution.

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