PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1134-1Retainer,seat,valve

R & D Machine Rafael Anaya Div Defense Logistics Agency · NSN 4820-01-312-1950 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-312-1950 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-312-1950. Primary manufacturer part number: 1134-1.
Features
  • Retainer,seat,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Valve Model Number for Which Designed: 1000
  • Valve Design Control Activity: 8W880
  • Valve Size for Which Designed: 1.000 INCHES IN
  • 3 verified cross-references
  • Primary manufacturer: R & D Machine Rafael Anaya Div Defense Logistics Agency
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Retainer,seat,valve, cataloged under National Stock Number 4820-01-312-1950, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is R & D Machine Rafael Anaya Div Defense Logistics Agency. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN4820-01-312-1950
Primary Part Number1134-1
Item NameRetainer,seat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerR & D Machine Rafael Anaya Div Defense Logistics Agency
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Valve Model Number for Which Designed1000
Valve Design Control Activity8W880
Valve Size for Which Designed1.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5910-00-342-3018 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
3020-00-368-890711341 INTERCHANGEABLE
Pinion,reduction Ge
Rexnord Industries Llc
4730-00-369-4664501681 INTERCHANGEABLE
Elbow,pipe to Hose
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-706-9436 INTERCHANGEABLE
Transformer,radio Frequency
3040-01-256-366411341B INTERCHANGEABLE
Lever,manual Control
Windham Lifts Inc
4820-01-425-786311341.001.103 INTERCHANGEABLE
Disk,valve
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
2040-01-460-0999B-314902 ITEM 44 INTERCHANGEABLE
Hatch,marine
Railway Specialties Corp Div Railway Specialties Corporation
6150-01-502-20471134-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Tru-Hitch, Inc.
4820-01-561-66631134.1 INTERCHANGEABLE
Valve,gate
Hunt Valve Company, Inc.
Cross-Reference Index
Part NumberManufacturer
1134-1 PRIMARY R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
1135 R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
1135 ITEM 11 R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
Related Parts
5910-00-342-3018INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
3020-00-368-8907INTERCHANGEABLE
PINION,REDUCTION GE
11341
4730-00-369-4664INTERCHANGEABLE
ELBOW,PIPE TO HOSE
501681
5950-00-706-9436INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
3040-01-256-3664INTERCHANGEABLE
LEVER,MANUAL CONTROL
11341B
4820-01-425-7863INTERCHANGEABLE
DISK,VALVE
11341.001.103
2040-01-460-0999INTERCHANGEABLE
HATCH,MARINE
B-314902 ITEM 44
6150-01-502-2047INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
1134-1
4820-01-561-6663INTERCHANGEABLE
VALVE,GATE
1134.1

Frequently Asked Questions

What is NSN 4820-01-312-1950?

NSN 4820-01-312-1950 is a Retainer,seat,valve, manufactured by R & D Machine Rafael Anaya Div Defense Logistics Agency, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-312-1950?

NSN 4820-01-312-1950 has 3 cross-referenced part numbers: 1134-1 (R & D Machine Rafael Anaya Div Defense Logistics Agency), 1135 (R & D Machine Rafael Anaya Div Defense Logistics Agency), 1135 ITEM 11 (R & D Machine Rafael Anaya Div Defense Logistics Agency).

What NSN replaces 4820-01-312-1950?

There are 9 known substitutes for 4820-01-312-1950: 5910-00-342-3018, 3020-00-368-8907, 4730-00-369-4664 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1134-1?

Key specifications for 1134-1: Material: STEEL CORROSION RESISTING; Valve Model Number for Which Designed: 1000; Valve Design Control Activity: 8W880; Valve Size for Which Designed: 1.000 INCHES IN. 4 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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