PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11577Disk,valve

Flowserve Inc · NSN 4820-01-232-3088 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-232-3088 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-232-3088. Primary manufacturer part number: 11577.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 2 verified cross-references
  • Primary manufacturer: Flowserve Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-232-3088, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-232-3088
Primary Part Number11577
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-543-319111577 INTERCHANGEABLE
Gasket
Saf Industries Llc Dba Saf Industries Llc Div Garkenyon
5815-00-594-0001SM-B-148773 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5945-00-885-838415427 INTERCHANGEABLE
Relay,solid State
Versitron Inc
2520-01-082-8619114-517 INTERCHANGEABLE
Parts Kit,universal Joint
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
6145-01-159-8628CIT 4130 INTERCHANGEABLE
Cable,special Purpose,electrical
Cableco Inc
6105-01-222-838311577 INTERCHANGEABLE
Motor,alternating Current
Middleby Marshall Inc Conveyor Ovens and Mixers Div
5365-01-225-092711577 INTERCHANGEABLE
Spacer,plate
DP Manufacturing Inc.
4130-01-474-050311577 INTERCHANGEABLE
Filter Element,air Conditioning
Fibrebond Corp
Cross-Reference Index
Part NumberManufacturer
11577 SW-15111 Flowserve Inc (USA)
11577 PRIMARY Flowserve Inc (USA)
Related Parts
5330-00-543-3191INTERCHANGEABLE
GASKET
11577
5815-00-594-0001INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-B-148773
5945-00-885-8384INTERCHANGEABLE
RELAY,SOLID STATE
15427
2520-01-082-8619INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
114-517
6145-01-159-8628INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
CIT 4130
6105-01-222-8383INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
11577
5365-01-225-0927INTERCHANGEABLE
SPACER,PLATE
11577
4130-01-474-0503INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
11577

Frequently Asked Questions

What is NSN 4820-01-232-3088?

NSN 4820-01-232-3088 is a Disk,valve, manufactured by Flowserve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-232-3088?

NSN 4820-01-232-3088 has 2 cross-referenced part numbers: 11577 SW-15111 (Flowserve Inc), 11577 (Flowserve Inc).

What NSN replaces 4820-01-232-3088?

There are 8 known substitutes for 4820-01-232-3088: 5330-00-543-3191, 5815-00-594-0001, 5945-00-885-8384 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11577?

Key specifications for 11577: End Item Identification: 3705 PSI,MODEL 15111; Material: STEEL CORROSION RESISTING. 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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