PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7-57-216O-Ring

Akron Brass Company · NSN 5331-01-517-4794 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-517-4794 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-517-4794. Primary manufacturer part number: 7-57-216.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Akron Brass Company
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-517-4794, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Akron Brass Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-517-4794
Primary Part Number7-57-216
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAkron Brass Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-00-685-9396 INTERCHANGEABLE
Jack,tip
1355-00-925-1731757216 INTERCHANGEABLE
Power Pack Assembly
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
7-57-216 PRIMARY Akron Brass Company (USA)
Related Parts
5935-00-685-9396INTERCHANGEABLE
JACK,TIP
1355-00-925-1731INTERCHANGEABLE
POWER PACK ASSEMBLY
757216

Frequently Asked Questions

What is NSN 5331-01-517-4794?

NSN 5331-01-517-4794 is a O-Ring, manufactured by Akron Brass Company, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-517-4794?

NSN 5331-01-517-4794 has 1 cross-referenced part number: 7-57-216 (Akron Brass Company).

What NSN replaces 5331-01-517-4794?

There are 2 known substitutes for 5331-01-517-4794: 5935-00-685-9396, 1355-00-925-1731. Verify interchangeability with system specifications before substitution.

What are the specifications of 7-57-216?

Key specifications for 7-57-216: End Item Identification: 4210-01-486-1035 TRUCK, FIREFIGHTING; Part Name Assigned by Controlling Agency: O-RING 3-5/8 X 3-3/8. 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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