PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120320Seal Assembly

Dresser, Llc · NSN 5330-00-310-2517 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-310-2517 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-310-2517. Primary manufacturer part number: 120320.
Features
  • Seal Assembly — FSC 5330
  • General Characteristics Item Description: CONSISTS OF 1 SHELL,1 BELLOWS,1 SPRING AND 1 SEAL RING
  • 4 verified cross-references
  • Primary manufacturer: Dresser, Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal Assembly, cataloged under National Stock Number 5330-00-310-2517, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-310-2517
Primary Part Number120320
Item NameSeal Assembly
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerDresser, Llc
StatusCANCELLED
General Characteristics Item DescriptionCONSISTS OF 1 SHELL,1 BELLOWS,1 SPRING AND 1 SEAL RING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-175-8434120320 INTERCHANGEABLE
Semiconductor Device,photo
Getronics Government Solutions Llc
5330-00-179-4177147263 INTERCHANGEABLE
Gasket
Cummins Inc.
4730-00-279-00724L4620 INTERCHANGEABLE
Clamp,hose
Caterpillar Inc Div Caterpillar Defense
5360-00-291-1229N09252 INTERCHANGEABLE
Spring,helical,compression
Leslie Controls, Inc. Dba Leslie Controls Inc
5945-00-504-561511768-1 INTERCHANGEABLE
Solenoid,electrical
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
4330-00-692-093492-52 INTERCHANGEABLE
Filter Element,fluid
Marshall Excelsior Co
5330-00-927-41211-1768-1 INTERCHANGEABLE
Seal,plain Encased
Rexnord Industries, Llc Div Aerospace Solutions Downers Grove
5905-00-981-5438 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
6130-01-016-73099252 INTERCHANGEABLE
Charger,battery
Associated Equipment Corporation Dba Associated Equipment Corp
5330-01-157-3218 INTERCHANGEABLE
Seal
Cross-Reference Index
Part NumberManufacturer
925-2 Aqua-Chem Inc Cleaver-Brooks Div (USA)
120320 PRIMARY Dresser, Llc (USA)
Y20320 Dresser, Llc (USA)
117681 Aqua-Chem Inc Cleaver-Brooks Div (USA)
Related Parts
5961-00-175-8434INTERCHANGEABLE
SEMICONDUCTOR DEVICE,PHOTO
120320
5330-00-179-4177INTERCHANGEABLE
GASKET
147263
4730-00-279-0072INTERCHANGEABLE
CLAMP,HOSE
4L4620
5360-00-291-1229INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
N09252
5945-00-504-5615INTERCHANGEABLE
SOLENOID,ELECTRICAL
11768-1
4330-00-692-0934INTERCHANGEABLE
FILTER ELEMENT,FLUID
92-52
5330-00-927-4121INTERCHANGEABLE
SEAL,PLAIN ENCASED
1-1768-1
5905-00-981-5438INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
6130-01-016-7309INTERCHANGEABLE
CHARGER,BATTERY
9252
5330-01-157-3218INTERCHANGEABLE
SEAL
5950-01-168-6112INTERCHANGEABLE
TRANSFORMER,POWER
6680-01-236-2969INTERCHANGEABLE
INDICATOR,RATE OF FLOW

Frequently Asked Questions

What is NSN 5330-00-310-2517?

NSN 5330-00-310-2517 is a Seal Assembly, manufactured by Dresser, Llc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-310-2517?

NSN 5330-00-310-2517 has 4 cross-referenced part numbers: 925-2 (Aqua-Chem Inc Cleaver-Brooks Div), 120320 (Dresser, Llc), Y20320 (Dresser, Llc), 117681 (Aqua-Chem Inc Cleaver-Brooks Div).

What NSN replaces 5330-00-310-2517?

There are 12 known substitutes for 5330-00-310-2517: 5961-00-175-8434, 5330-00-179-4177, 4730-00-279-0072 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120320?

Key specifications for 120320: General Characteristics Item Description: CONSISTS OF 1 SHELL,1 BELLOWS,1 SPRING AND 1 SEAL RING. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-310-2517 still in active supply?

NSN 5330-00-310-2517 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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