PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4256-3 ITEM 117Bushing,valve Backseat

Flowserve Corporation Div Flowserve Us Inc · NSN 5365-01-116-3765 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-116-3765 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-116-3765. Primary manufacturer part number: 4256-3 ITEM 117.
Features
  • Bushing,valve Backseat — FSC 5365
  • General Characteristics Item Description: STEEL ASTM A182 GRADE F11;3.158 IN. OD;1.900 IN. ID;0.611 IN. H;50.0 DEG CHAMFER;ONE SIDE GROOVED,0.120 IN. GROOVE W IN
  • 2 verified cross-references
  • Primary manufacturer: Flowserve Corporation Div Flowserve Us Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Bushing,valve Backseat, cataloged under National Stock Number 5365-01-116-3765, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Flowserve Corporation Div Flowserve Us Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-116-3765
Primary Part Number4256-3 ITEM 117
Item NameBushing,valve Backseat
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerFlowserve Corporation Div Flowserve Us Inc
StatusACTIVE
General Characteristics Item DescriptionSTEEL ASTM A182 GRADE F11;3.158 IN. OD;1.900 IN. ID;0.611 IN. H;50.0 DEG CHAMFER;ONE SIDE GROOVED,0.120 IN. GROOVE W IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2530-00-382-8983102031 INTERCHANGEABLE
Cap,grease
Aqua-Chem, Inc. Dba Aqua-Chem Inc
3110-00-472-269142563 INTERCHANGEABLE
Plate,retaining,bearing
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
4820-01-155-03164256-ITEM-411 INTERCHANGEABLE
Gear Operator,valve
Flowserve Corporation Div Flowserve Us Inc
5342-01-238-301042563 INTERCHANGEABLE
Rod End Assembly
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
2840-01-294-788842563 INTERCHANGEABLE
Shield,heat,aircraft Gas Turbine
Williams International Co., L.l.c.
5935-01-309-112342563 INTERCHANGEABLE
Connector,receptacle,electrical
Mirion Technologies (canberra), Inc.
9505-01-674-0906M5845 INTERCHANGEABLE
Wire,nonelectrical
Para-Gear Equipment Co
Cross-Reference Index
Part NumberManufacturer
4256-3 ITEM 117 PRIMARY Flowserve Corporation Div Flowserve Us Inc (USA)
4256-3 Flowserve Corporation Div Flowserve Us Inc (USA)
Related Parts
2530-00-382-8983INTERCHANGEABLE
CAP,GREASE
102031
3110-00-472-2691INTERCHANGEABLE
PLATE,RETAINING,BEARING
42563
4820-01-155-0316INTERCHANGEABLE
GEAR OPERATOR,VALVE
4256-ITEM-411
5342-01-238-3010INTERCHANGEABLE
ROD END ASSEMBLY
42563
2840-01-294-7888INTERCHANGEABLE
SHIELD,HEAT,AIRCRAFT GAS TURBINE
42563
5935-01-309-1123INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
42563
9505-01-674-0906INTERCHANGEABLE
WIRE,NONELECTRICAL
M5845

Frequently Asked Questions

What is NSN 5365-01-116-3765?

NSN 5365-01-116-3765 is a Bushing,valve Backseat, manufactured by Flowserve Corporation Div Flowserve Us Inc, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-116-3765?

NSN 5365-01-116-3765 has 2 cross-referenced part numbers: 4256-3 ITEM 117 (Flowserve Corporation Div Flowserve Us Inc), 4256-3 (Flowserve Corporation Div Flowserve Us Inc).

What NSN replaces 5365-01-116-3765?

There are 7 known substitutes for 5365-01-116-3765: 2530-00-382-8983, 3110-00-472-2691, 4820-01-155-0316 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4256-3 ITEM 117?

Key specifications for 4256-3 ITEM 117: General Characteristics Item Description: STEEL ASTM A182 GRADE F11;3.158 IN. OD;1.900 IN. ID;0.611 IN. H;50.0 DEG CHAMFER;ONE SIDE GROOVED,0.120 IN. GROOVE W 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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