PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1120-103Valve,check

R & D Machine Rafael Anaya Div Defense Logistics Agency · NSN 4820-01-312-5029 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-312-5029 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-312-5029. Primary manufacturer part number: 1120-103.
Features
  • Valve,check — FSC 4820
  • 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
General Description

The Valve,check, cataloged under National Stock Number 4820-01-312-5029, 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. 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
NSN4820-01-312-5029
Primary Part Number1120-103
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerR & D Machine Rafael Anaya Div Defense Logistics Agency
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-489-2070224557-001 INTERCHANGEABLE
Resistor,fixed,film
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
3010-00-575-2832 INTERCHANGEABLE
Actuator,electro-Mechanical,line
5325-00-639-50424002-14 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
2815-00-950-8404112-0173 INTERCHANGEABLE
Piston,internal Combustion Engin
Cummins Power Generation Inc.
4820-01-225-3023MIL-V-24272 CON 1-1, TY A 6000 P INTERCHANGEABLE
Valve Assembly,manifold
Naval Inventory Control Point Mechanicsburg
5180-01-332-954710-000-02 INTERCHANGEABLE
Tool Kit,pipe Cutting
Illinois Tool Works, Inc. Div Eh Wachs
5961-01-366-5933H-1144-APC9 INTERCHANGEABLE
Semiconductor Device,thyristor
The Whitmor Co. Inc. Div the Whitmor Comapny Inc.
2930-01-420-56591000-002 INTERCHANGEABLE
Impeller,fan,axial
Sgm Co Inc
5220-01-424-809210-00002 INTERCHANGEABLE
Gage,comparator,air
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5950-01-558-81101000002 INTERCHANGEABLE
Transformer,power
Indeeco Llc Dba Indeeco
Cross-Reference Index
Part NumberManufacturer
1000-002 R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
1000-002 ITEM 9 R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
1120-103 PRIMARY R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
Related Parts
5905-00-489-2070INTERCHANGEABLE
RESISTOR,FIXED,FILM
224557-001
3010-00-575-2832INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
5325-00-639-5042INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
4002-14
2815-00-950-8404INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
112-0173
4820-01-225-3023INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
MIL-V-24272 CON 1-1, TY A 6000 P
5180-01-332-9547INTERCHANGEABLE
TOOL KIT,PIPE CUTTING
10-000-02
5961-01-366-5933INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
H-1144-APC9
2930-01-420-5659INTERCHANGEABLE
IMPELLER,FAN,AXIAL
1000-002
5220-01-424-8092INTERCHANGEABLE
GAGE,COMPARATOR,AIR
10-00002
5950-01-558-8110INTERCHANGEABLE
TRANSFORMER,POWER
1000002
5998-01-570-5718INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
1120103
5995-01-658-9953INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
10-00002

Frequently Asked Questions

What is NSN 4820-01-312-5029?

NSN 4820-01-312-5029 is a Valve,check, 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 4820-01-312-5029?

NSN 4820-01-312-5029 has 3 cross-referenced part numbers: 1000-002 (R & D Machine Rafael Anaya Div Defense Logistics Agency), 1000-002 ITEM 9 (R & D Machine Rafael Anaya Div Defense Logistics Agency), 1120-103 (R & D Machine Rafael Anaya Div Defense Logistics Agency).

What NSN replaces 4820-01-312-5029?

There are 12 known substitutes for 4820-01-312-5029: 5905-00-489-2070, 3010-00-575-2832, 5325-00-639-5042 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1120-103?

Key specifications for 1120-103: End Item Identification: 4820012253023. 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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