PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45521O-Ring

Horus Vision Llc · NSN 5331-01-600-1985 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-600-1985 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-600-1985. Primary manufacturer part number: 45521.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.489 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Horus Vision Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-600-1985, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Horus Vision Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN5331-01-600-1985
Primary Part Number45521
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHorus Vision Llc
StatusACTIVE
Outside Diameter0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter1.489 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5340-00-188-1500BX238956 INTERCHANGEABLE
Cover,access
Navistar Intl Corp Truck Br Ohio Plant
5110-00-221-1077 INTERCHANGEABLE
Chisel,blacksmith's
3455-00-222-92191-1561-0212 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
New York Twist Drill Inc
5930-00-352-7041L91A1052 INTERCHANGEABLE
Switch,pressure
Honeywell Inc Residential Div
4710-01-575-521445521 INTERCHANGEABLE
Tube Assembly,metal
Allied Systems Company Dba Allied Systems Co
4010-01-599-6579 INTERCHANGEABLE
Chain,hanger
Cross-Reference Index
Part NumberManufacturer
45521 Horus Vision Llc (USA)
Related Parts
5340-00-188-1500INTERCHANGEABLE
COVER,ACCESS
BX238956
5110-00-221-1077INTERCHANGEABLE
CHISEL,BLACKSMITH'S
3455-00-222-9219INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-0212
5930-00-352-7041INTERCHANGEABLE
SWITCH,PRESSURE
L91A1052
4710-01-575-5214INTERCHANGEABLE
TUBE ASSEMBLY,METAL
45521
4010-01-599-6579INTERCHANGEABLE
CHAIN,HANGER

Frequently Asked Questions

What is NSN 5331-01-600-1985?

NSN 5331-01-600-1985 is a O-Ring, manufactured by Horus Vision Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-600-1985?

NSN 5331-01-600-1985 has 1 cross-referenced part number: 45521 (Horus Vision Llc).

What NSN replaces 5331-01-600-1985?

There are 6 known substitutes for 5331-01-600-1985: 5340-00-188-1500, 5110-00-221-1077, 3455-00-222-9219 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45521?

Key specifications for 45521: Part Name Assigned by Controlling Agency: O-RING 1.489X.070; Special Features: O-RING FOR ERECTOR ASSEMBLY; End Item Identification: 6650015837651; Outside Diameter: 0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 5 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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