PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52912O-Ring

Crane Co Flomatics Div · NSN 5331-00-731-7741 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-731-7741 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-731-7741. Primary manufacturer part number: 52912.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.116 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Crane Co Flomatics Div
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-731-7741, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Crane Co Flomatics Div. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-731-7741
Primary Part Number52912
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCrane Co Flomatics Div
StatusACTIVE
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.116 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-012-5751125751 INTERCHANGEABLE
Washer,lock
General Motors Llc Dba General Motors Llc
5815-00-322-4329SM-B-148529 INTERCHANGEABLE
Keytop,keyboard
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3040-00-338-861652912 INTERCHANGEABLE
Shaft Assembly,flexible
Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc
1420-00-631-6422180647 INTERCHANGEABLE
Card Assy
Raytheon Company Dba Raytheon
5970-01-032-0555 INTERCHANGEABLE
Insulator,washer
6220-01-201-26664018 INTERCHANGEABLE
Stop Light-Taillight,vehicular
Truck-Lite Co., Llc
5360-01-341-4591CR122674 PIECE 321 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace, Llc Dba Jackson South
5950-01-356-745552912 INTERCHANGEABLE
Transformer,power
Astec America Inc.
5998-01-553-292652912 INTERCHANGEABLE
Electronic Components Assembly
Chroma Ate Inc.
Cross-Reference Index
Part NumberManufacturer
52912 Crane Co Flomatics Div (USA)
52912-080 U S Para Plate Corp Div Hi Gear Ball Valves (USA)
52912 U S Para Plate Corp Div Hi Gear Ball Valves (USA)
Related Parts
5310-00-012-5751INTERCHANGEABLE
WASHER,LOCK
125751
5815-00-322-4329INTERCHANGEABLE
KEYTOP,KEYBOARD
SM-B-148529
3040-00-338-8616INTERCHANGEABLE
SHAFT ASSEMBLY,FLEXIBLE
52912
1420-00-631-6422INTERCHANGEABLE
CARD ASSY
180647
5970-01-032-0555INTERCHANGEABLE
INSULATOR,WASHER
6220-01-201-2666INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
4018
5360-01-341-4591INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
CR122674 PIECE 321
5950-01-356-7455INTERCHANGEABLE
TRANSFORMER,POWER
52912
5998-01-553-2926INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
52912

Frequently Asked Questions

What is NSN 5331-00-731-7741?

NSN 5331-00-731-7741 is a O-Ring, manufactured by Crane Co Flomatics Div, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-731-7741?

NSN 5331-00-731-7741 has 3 cross-referenced part numbers: 52912 (Crane Co Flomatics Div), 52912-080 (U S Para Plate Corp Div Hi Gear Ball Valves), 52912 (U S Para Plate Corp Div Hi Gear Ball Valves).

What NSN replaces 5331-00-731-7741?

There are 9 known substitutes for 5331-00-731-7741: 5310-00-012-5751, 5815-00-322-4329, 3040-00-338-8616 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52912?

Key specifications for 52912: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.116 INCHES NOMINAL IN. 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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