PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DE1800Cock,plug

Agco Corp Parts Opn · NSN 4820-00-274-3634 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-274-3634 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-274-3634. Primary manufacturer part number: DE1800.
Features
  • Cock,plug — FSC 4820
  • Valve Operation Method: MANUAL
  • Material: COPPER ALLOY OVERALL
  • Flow Style: TWO WAY TWO PORT 360 DEGREE PLUG TURN
  • Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Nondefinitive Spec/std Data: 2 TYPE AND C STYLE
  • Furnished Items and Quantity: 1 WRENCH
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,plug, cataloged under National Stock Number 4820-00-274-3634, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Agco Corp Parts Opn. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 24 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-274-3634
Primary Part NumberDE1800
Item NameCock,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAgco Corp Parts Opn
StatusCANCELLED
Valve Operation MethodMANUAL
MaterialCOPPER ALLOY OVERALL
Flow StyleTWO WAY TWO PORT 360 DEGREE PLUG TURN
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Nondefinitive Spec/std Data2 TYPE AND C STYLE
Furnished Items and Quantity1 WRENCH
Thread DirectionRIGHT-HAND ALL ENDS
Nominal Thread Size0.500 INCHES ALL ENDS IN
Thread Series DesignatorNPT ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5945-00-110-4937034-649 INTERCHANGEABLE
Contact Set,relay
Miller Electric Mfg. Llc
6240-00-132-531717-1-5894-1 INTERCHANGEABLE
Lamp,incandescent
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
5133-00-227-5992 INTERCHANGEABLE
Drill,twist
5133-00-228-1383 INTERCHANGEABLE
Drill,twist
2530-00-247-6472 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
5310-00-253-3207MS15795-442 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-00-555-9351341-12 INTERCHANGEABLE
Hose,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
6250-00-990-454825-12 INTERCHANGEABLE
Lampholder
Lighting Components and Design Incorporated Dba Lc&d
7510-01-026-4661 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
4820-01-153-2714SWS701 INTERCHANGEABLE
Valve,check
Flowserve Inc
Cross-Reference Index
Part NumberManufacturer
252-1-2 Crane Co Div Valve Div (USA)
252 Crane Co Div Valve Div (USA)
1-2INHWITHHDLE Welsbach Corp (USA)
4374-1/2IN Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
583182 Army Weapons Command Attn Amswe-Ree-S (USA)
DE1800 PRIMARY Agco Corp Parts Opn (USA)
1600-1/2INCH Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA)
915010-51 Eclipse Inc Rockford-Eclipse Div (USA)
250SIZE1-2 PRIMARY Crane Co Div Valve Div (USA)
9703-1/2INCH Mc Donald a Y Mfg Co (USA)
A-A-59440 TYPEII STYLEC SIZE1-2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
590 The Walworth Company (USA)
TYPEHSIZE1-2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
250 1/2IN STYLEF11 Crane Co Div Valve Div (USA)
MIL-C-1203 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
102BX3 Joy Global Underground Mining Llc (USA)
1RB-915002 Eclipse Inc Rockford-Eclipse Div (USA)
700S 1/2INCH Healey Peter Brass Foundry Inc (USA)
700S 1/2INCH Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
2B1397 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5945-00-110-4937INTERCHANGEABLE
CONTACT SET,RELAY
034-649
6240-00-132-5317INTERCHANGEABLE
LAMP,INCANDESCENT
17-1-5894-1
5133-00-227-5992INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1383INTERCHANGEABLE
DRILL,TWIST
2530-00-247-6472INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5310-00-253-3207INTERCHANGEABLE
WASHER,FLAT
MS15795-442
4720-00-555-9351INTERCHANGEABLE
HOSE,NONMETALLIC
341-12
6250-00-990-4548INTERCHANGEABLE
LAMPHOLDER
25-12
7510-01-026-4661INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
4820-01-153-2714INTERCHANGEABLE
VALVE,CHECK
SWS701
5305-01-166-6361INTERCHANGEABLE
SCREW
10512729
5120-01-367-3371INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT

Frequently Asked Questions

What is NSN 4820-00-274-3634?

NSN 4820-00-274-3634 is a Cock,plug, manufactured by Agco Corp Parts Opn, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-274-3634?

NSN 4820-00-274-3634 has 24 cross-referenced part numbers: 252-1-2 (Crane Co Div Valve Div), 252 (Crane Co Div Valve Div), 1-2INHWITHHDLE (Welsbach Corp), 4374-1/2IN (Flagg Stanley G & Co Inc Dba Flagg Brass), 583182 (Army Weapons Command Attn Amswe-Ree-S) and 19 more.

What NSN replaces 4820-00-274-3634?

There are 12 known substitutes for 4820-00-274-3634: 5945-00-110-4937, 6240-00-132-5317, 5133-00-227-5992 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DE1800?

Key specifications for DE1800: Valve Operation Method: MANUAL; Material: COPPER ALLOY OVERALL; Flow Style: TWO WAY TWO PORT 360 DEGREE PLUG TURN; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-274-3634 still in active supply?

NSN 4820-00-274-3634 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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