PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401111O-Ring

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5331-00-819-8567 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-819-8567 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-819-8567. Primary manufacturer part number: 401111.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Center Hole Diameter: 0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
  • 4 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-819-8567, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-819-8567
Primary Part Number401111
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Cross-Sectional Height0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM
Center Hole Diameter0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-189-9281 INTERCHANGEABLE
Drill,twist
5841-00-342-2329 INTERCHANGEABLE
Servo Indicator Ass
5961-00-457-5612401111 INTERCHANGEABLE
Semiconductor Devices,unitized
Aimtron Systems, Llc
5130-00-487-141540111 INTERCHANGEABLE
Blade,reciprocating Saw
Black and Decker Us Inc
1660-00-612-363940111 INTERCHANGEABLE
Repair Kit,valve,ov
Meggitt North Hollywood Inc
5330-00-916-92820-111-1 INTERCHANGEABLE
Packing,preformed
Walz & Krenzer Inc Div Mapeco Products
4820-01-029-2983 INTERCHANGEABLE
Insert,valve Disc
6150-01-053-93754011-54 INTERCHANGEABLE
Wiring Harness,branched
Parker-Hannifin Corporation Dba Pneutronics
1680-01-057-3391 INTERCHANGEABLE
Receptacle Assembly,flight Refue
6150-01-147-0359NFGC-500 INTERCHANGEABLE
Cable Assembly,power,electrical
Rhine Air, Inc
Cross-Reference Index
Part NumberManufacturer
401111 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
40111 Jonal Laboratories Inc (USA)
01111 Jonal Laboratories Inc (USA)
401111 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
Related Parts
5133-00-189-9281INTERCHANGEABLE
DRILL,TWIST
5841-00-342-2329INTERCHANGEABLE
SERVO INDICATOR ASS
5961-00-457-5612INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
401111
5130-00-487-1415INTERCHANGEABLE
BLADE,RECIPROCATING SAW
40111
1660-00-612-3639INTERCHANGEABLE
REPAIR KIT,VALVE,OV
40111
5330-00-916-9282INTERCHANGEABLE
PACKING,PREFORMED
0-111-1
4820-01-029-2983INTERCHANGEABLE
INSERT,VALVE DISC
6150-01-053-9375INTERCHANGEABLE
WIRING HARNESS,BRANCHED
4011-54
1680-01-057-3391INTERCHANGEABLE
RECEPTACLE ASSEMBLY,FLIGHT REFUE
6150-01-147-0359INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
NFGC-500
3030-01-236-1238INTERCHANGEABLE
BELT,ROUND
0-1111
5905-01-276-5496INTERCHANGEABLE
RESISTOR,FIXED,FILM

Frequently Asked Questions

What is NSN 5331-00-819-8567?

NSN 5331-00-819-8567 is a O-Ring, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-819-8567?

NSN 5331-00-819-8567 has 4 cross-referenced part numbers: 401111 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 40111 (Jonal Laboratories Inc), 01111 (Jonal Laboratories Inc), 401111 (Turbo Power & Marine System Inc Sub of United Technologies Corp).

What NSN replaces 5331-00-819-8567?

There are 12 known substitutes for 5331-00-819-8567: 5133-00-189-9281, 5841-00-342-2329, 5961-00-457-5612 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 401111?

Key specifications for 401111: Cross-Sectional Height: 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM; Center Hole Diameter: 0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN. 3 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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