PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1141-1Cap,valve

R & D Machine Rafael Anaya Div Defense Logistics Agency · NSN 4820-01-311-9510 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-311-9510 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-311-9510. Primary manufacturer part number: 1141-1.
Features
  • Cap,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Valve Type for Which Designed: RELIEF
  • Valve Model Number for Which Designed: 1000-101
  • Material Document and Classification: QQ-S-763, 300 SERIES, COND A FED SPEC SINGLE MATERIAL RESPONSE
  • Attachment Method: GROOVED
  • 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 Cap,valve, cataloged under National Stock Number 4820-01-311-9510, 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 5 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-311-9510
Primary Part Number1141-1
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerR & D Machine Rafael Anaya Div Defense Logistics Agency
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Valve Type for Which DesignedRELIEF
Valve Model Number for Which Designed1000-101
Material Document and ClassificationQQ-S-763, 300 SERIES, COND A FED SPEC SINGLE MATERIAL RESPONSE
Attachment MethodGROOVED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-183-0570202755-01 INTERCHANGEABLE
Lamp,incandescent
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
5133-00-189-9273 INTERCHANGEABLE
Drill,twist
4320-00-367-144311411 INTERCHANGEABLE
Chamber,diaphragm
Leslie Controls, Inc. Dba Leslie Controls Inc
1660-00-485-5894 INTERCHANGEABLE
Guide-Spring---Appl
5950-00-647-9938 INTERCHANGEABLE
Coil,radio Frequency
5935-00-892-9114 INTERCHANGEABLE
Connector,receptacle,electrical
3040-01-104-046611-411 INTERCHANGEABLE
Camshaft Assembly
Thermo King Corporation Dba Phoenix Global Distirbution.
5365-01-119-3989 INTERCHANGEABLE
Spacer,plate
3020-01-221-215211411 INTERCHANGEABLE
Gear,spur
DP Manufacturing Inc.
6540-01-263-774011411 INTERCHANGEABLE
Ophthalmoscope
Welch Allyn, Inc.
Cross-Reference Index
Part NumberManufacturer
1140 ITEM 6 R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
1141-1 PRIMARY R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
1140 R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
Related Parts
6240-00-183-0570INTERCHANGEABLE
LAMP,INCANDESCENT
202755-01
5133-00-189-9273INTERCHANGEABLE
DRILL,TWIST
4320-00-367-1443INTERCHANGEABLE
CHAMBER,DIAPHRAGM
11411
1660-00-485-5894INTERCHANGEABLE
GUIDE-SPRING---APPL
5950-00-647-9938INTERCHANGEABLE
COIL,RADIO FREQUENCY
5935-00-892-9114INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3040-01-104-0466INTERCHANGEABLE
CAMSHAFT ASSEMBLY
11-411
5365-01-119-3989INTERCHANGEABLE
SPACER,PLATE
3020-01-221-2152INTERCHANGEABLE
GEAR,SPUR
11411
6540-01-263-7740INTERCHANGEABLE
OPHTHALMOSCOPE
11411
5999-01-299-4379INTERCHANGEABLE
CONTACT,ELECTRICAL
114-11
5330-01-323-8920INTERCHANGEABLE
RETAINER,PACKING
MS-3-100 ITEM 23

Frequently Asked Questions

What is NSN 4820-01-311-9510?

NSN 4820-01-311-9510 is a Cap,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 4820-01-311-9510?

NSN 4820-01-311-9510 has 3 cross-referenced part numbers: 1140 ITEM 6 (R & D Machine Rafael Anaya Div Defense Logistics Agency), 1141-1 (R & D Machine Rafael Anaya Div Defense Logistics Agency), 1140 (R & D Machine Rafael Anaya Div Defense Logistics Agency).

What NSN replaces 4820-01-311-9510?

There are 12 known substitutes for 4820-01-311-9510: 6240-00-183-0570, 5133-00-189-9273, 4320-00-367-1443 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1141-1?

Key specifications for 1141-1: Material: STEEL CORROSION RESISTING; Valve Type for Which Designed: RELIEF; Valve Model Number for Which Designed: 1000-101; Material Document and Classification: QQ-S-763, 300 SERIES, COND A FED SPEC SINGLE MATERIAL RESPONSE. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com