PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8RO-Ring,straight Thr

Ssp Fittings Corp · NSN 5331-01-563-0801 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-563-0801 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-563-0801. Primary manufacturer part number: 8R.
Features
  • O-Ring,straight Thr — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Ssp Fittings Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring,straight Thr, cataloged under National Stock Number 5331-01-563-0801, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Ssp Fittings Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring,straight Thr
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersSsp Fittings Corp (CAGE 79926)
Technical Specifications
ParameterValue
NSN5331-01-563-0801
Primary Part Number8R
Item NameO-Ring,straight Thr
FSC / FSG5331 / 53 — O-Ring
ManufacturerSsp Fittings Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-157-0619YR1-3/8-3 INTERCHANGEABLE
Bearing,roller,needle
Accurate Bushing Company, Inc.
5120-00-494-18898R INTERCHANGEABLE
Clamp,plier
Stanley Tools Div of Stanley Works
3419-00-516-17418R INTERCHANGEABLE
Stand,pipe Machine
Ridge Tool Company
5120-00-595-9552 INTERCHANGEABLE
Pliers,retaining Ring
5110-01-124-1861 INTERCHANGEABLE
Knife,craftsman's
5110-01-335-15768R INTERCHANGEABLE
File,hand
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
2935-01-648-36868R INTERCHANGEABLE
Cap,filler Opening
Subsalve Usa Llc
Cross-Reference Index
Part NumberManufacturer
8R PRIMARY Ssp Fittings Corp (USA)
Related Parts
3110-00-157-0619INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
YR1-3/8-3
5120-00-494-1889INTERCHANGEABLE
CLAMP,PLIER
8R
3419-00-516-1741INTERCHANGEABLE
STAND,PIPE MACHINE
8R
5120-00-595-9552INTERCHANGEABLE
PLIERS,RETAINING RING
5110-01-124-1861INTERCHANGEABLE
KNIFE,CRAFTSMAN'S
5110-01-335-1576INTERCHANGEABLE
FILE,HAND
8R
2935-01-648-3686INTERCHANGEABLE
CAP,FILLER OPENING
8R

Frequently Asked Questions

What is NSN 5331-01-563-0801?

NSN 5331-01-563-0801 is a O-Ring,straight Thr, manufactured by Ssp Fittings Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-563-0801?

NSN 5331-01-563-0801 has 1 cross-referenced part number: 8R (Ssp Fittings Corp).

What NSN replaces 5331-01-563-0801?

There are 7 known substitutes for 5331-01-563-0801: 3110-00-157-0619, 5120-00-494-1889, 3419-00-516-1741 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com