PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01-511-1 PIECE 28O-Ring

Reynolds Equipment Co · NSN 5331-01-181-7394 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-181-7394 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-181-7394. Primary manufacturer part number: 01-511-1 PIECE 28.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Reynolds Equipment Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-181-7394, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Reynolds Equipment Co. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersReynolds Equipment Co (CAGE 56521)
Technical Specifications
ParameterValue
NSN5331-01-181-7394
Primary Part Number01-511-1 PIECE 28
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerReynolds Equipment Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5331-00-580-65832-014N674-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
6145-00-818-7154M27500-22B2U00 INTERCHANGEABLE
Cable,power,electrical
National Electrical Mfrs Assn Dba Nema
5930-00-884-1615P47AA-1 INTERCHANGEABLE
Switch,pressure
Johnson Controls Inc Control Products Div
6605-00-929-4745348-8 INTERCHANGEABLE
Ball,checking
Skf Usa Inc
6515-01-094-46460034880 INTERCHANGEABLE
Cannula,laryngeal
Linvatec Corporation Div Linvatec
4210-01-191-85373488 INTERCHANGEABLE
Tube,stream Straightner
Akron Brass Company
7510-01-241-35993488 INTERCHANGEABLE
Ribbon,inking
Supplies Intl
4820-01-348-13971411 INTERCHANGEABLE
Valve,safety Relief
Megator Corp
Cross-Reference Index
Part NumberManufacturer
01-511-1 PIECE 28 Reynolds Equipment Co (USA)
34-88 Reynolds Equipment Co (USA)
Related Parts
5331-00-580-6583INTERCHANGEABLE
O-RING
2-014N674-70
6145-00-818-7154INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
M27500-22B2U00
5930-00-884-1615INTERCHANGEABLE
SWITCH,PRESSURE
P47AA-1
6605-00-929-4745INTERCHANGEABLE
BALL,CHECKING
348-8
6515-01-094-4646INTERCHANGEABLE
CANNULA,LARYNGEAL
0034880
4210-01-191-8537INTERCHANGEABLE
TUBE,STREAM STRAIGHTNER
3488
7510-01-241-3599INTERCHANGEABLE
RIBBON,INKING
3488
4820-01-348-1397INTERCHANGEABLE
VALVE,SAFETY RELIEF
1411

Frequently Asked Questions

What is NSN 5331-01-181-7394?

NSN 5331-01-181-7394 is a O-Ring, manufactured by Reynolds Equipment Co, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-181-7394?

NSN 5331-01-181-7394 has 2 cross-referenced part numbers: 01-511-1 PIECE 28 (Reynolds Equipment Co), 34-88 (Reynolds Equipment Co).

What NSN replaces 5331-01-181-7394?

There are 8 known substitutes for 5331-01-181-7394: 5331-00-580-6583, 6145-00-818-7154, 5930-00-884-1615 and 5 more. Verify interchangeability with system specifications before substitution.

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