PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

701971O-Ring

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 5331-01-658-6922 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-658-6922 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-658-6922. Primary manufacturer part number: 701971.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-658-6922, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-658-6922
Primary Part Number701971
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2840-00-152-2236701971 INTERCHANGEABLE
Shield,heat,aircraft Gas Turbine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5331-00-165-1941AS568-214 INTERCHANGEABLE
O-Ring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6695-01-540-32711010503 OPTILUX RADIOMETER INTERCHANGEABLE
Meter,illumination Intensity
Demetron Research Corp
Cross-Reference Index
Part NumberManufacturer
701971 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
2840-00-152-2236INTERCHANGEABLE
SHIELD,HEAT,AIRCRAFT GAS TURBINE
701971
5331-00-165-1941INTERCHANGEABLE
O-RING
AS568-214
6695-01-540-3271INTERCHANGEABLE
METER,ILLUMINATION INTENSITY
1010503 OPTILUX RADIOMETER

Frequently Asked Questions

What is NSN 5331-01-658-6922?

NSN 5331-01-658-6922 is a O-Ring, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-658-6922?

NSN 5331-01-658-6922 has 1 cross-referenced part number: 701971 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 5331-01-658-6922?

There are 3 known substitutes for 5331-01-658-6922: 2840-00-152-2236, 5331-00-165-1941, 6695-01-540-3271. Verify interchangeability with system specifications before substitution.

What are the specifications of 701971?

Key specifications for 701971: Part Name Assigned by Controlling Agency: O-RING SEAL FACE; End Item Identification: PUMP ROTARY. 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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