PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125-97Seal Assembly,shaft,spring Loade

Dresser Industries Inc Leroi Div · NSN 4320-00-035-6899 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-035-6899 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-035-6899. Primary manufacturer part number: 125-97.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: STEEL SPRING;BLACK SYN RUBBER SEAL;BLACK PLASTIC SEAT;BRASS RING;0.855 IN. O/A FREE LG;0.655 IN. O/A COMPRESSED LG;1.355 IN. O/A OD;DESIGNED FOR A 0.750 IN. DIA SHAFT IN
  • 4 verified cross-references
  • Primary manufacturer: Dresser Industries Inc Leroi Div
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Mechanical energy storage
  • Vibration dampening
General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-00-035-6899, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 1 verified specification, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-035-6899
Primary Part Number125-97
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
General Characteristics Item DescriptionSTEEL SPRING;BLACK SYN RUBBER SEAL;BLACK PLASTIC SEAT;BRASS RING;0.855 IN. O/A FREE LG;0.655 IN. O/A COMPRESSED LG;1.355 IN. O/A OD;DESIGNED FOR A 0.750 IN. DIA SHAFT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-036-098912597 INTERCHANGEABLE
Seat,valve
Schneider Electric Systems Usa Inc
3040-00-147-2026312597 INTERCHANGEABLE
Lever,remote Control
Brp Us Inc
4820-00-845-1096 INTERCHANGEABLE
Cock,drain
5950-00-853-275512597 INTERCHANGEABLE
Reactor
Robert M. Hadley Company, Inc.
3020-00-894-759312597 INTERCHANGEABLE
Gear,spur
Grimes Aerospace Company
3020-01-128-423612597 INTERCHANGEABLE
Gear,helical
Westerbeke Corporation
3455-01-336-166612597 INTERCHANGEABLE
Blade,band Saw,metal Cutting
L.s. Starrett Company (the) Div Tool Division
7045-01-367-0387 INTERCHANGEABLE
Disk,flexible
6550-01-575-105688753 INTERCHANGEABLE
Control,blood Chemistry
Quidel Corp
Cross-Reference Index
Part NumberManufacturer
810350 Dresser, Llc (USA)
125-97 Dresser, Llc (USA)
125-97 PRIMARY Dresser Industries Inc Leroi Div (USA)
1A125-97 Fwd Seagrave Holdings Lp (USA)
Related Parts
4820-00-036-0989INTERCHANGEABLE
SEAT,VALVE
12597
3040-00-147-2026INTERCHANGEABLE
LEVER,REMOTE CONTROL
312597
4820-00-845-1096INTERCHANGEABLE
COCK,DRAIN
5950-00-853-2755INTERCHANGEABLE
REACTOR
12597
3020-00-894-7593INTERCHANGEABLE
GEAR,SPUR
12597
3020-01-128-4236INTERCHANGEABLE
GEAR,HELICAL
12597
3455-01-336-1666INTERCHANGEABLE
BLADE,BAND SAW,METAL CUTTING
12597
7045-01-367-0387INTERCHANGEABLE
DISK,FLEXIBLE
6550-01-575-1056INTERCHANGEABLE
CONTROL,BLOOD CHEMISTRY
88753

Frequently Asked Questions

What is NSN 4320-00-035-6899?

NSN 4320-00-035-6899 is a Seal Assembly,shaft,spring Loade, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-035-6899?

NSN 4320-00-035-6899 has 4 cross-referenced part numbers: 810350 (Dresser, Llc), 125-97 (Dresser, Llc), 125-97 (Dresser Industries Inc Leroi Div), 1A125-97 (Fwd Seagrave Holdings Lp).

What NSN replaces 4320-00-035-6899?

There are 9 known substitutes for 4320-00-035-6899: 4820-00-036-0989, 3040-00-147-2026, 4820-00-845-1096 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 125-97?

Key specifications for 125-97: General Characteristics Item Description: STEEL SPRING;BLACK SYN RUBBER SEAL;BLACK PLASTIC SEAT;BRASS RING;0.855 IN. O/A FREE LG;0.655 IN. O/A COMPRESSED LG;1.355 IN. O/A OD;DESIGNED FOR A 0.750 IN. DIA SHAFT IN. 1 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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