PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A555Cock,shutoff,screw Stem

Danfoss Power Solutions II, Llc · NSN 4820-00-391-3782 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-391-3782 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-391-3782. Primary manufacturer part number: A555.
Features
  • Cock,shutoff,screw Stem — FSC 4820
  • 34 verified cross-references
  • Primary manufacturer: Danfoss Power Solutions II, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Cock,shutoff,screw Stem, cataloged under National Stock Number 4820-00-391-3782, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Danfoss Power Solutions II, Llc. This item has 34 commercial cross-references from 21 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameCock,shutoff,screw Stem
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLockheed Martin Corporation Div Rms (CAGE 03538); Danfoss Power Solutions II, Llc (CAGE 01276); Dana Corp Weatherhead Div (CAGE 79470); Jenny Products, Inc (CAGE 29215); Kysor Industrial Corp (CAGE 75418)
Technical Specifications
ParameterValue
NSN4820-00-391-3782
Primary Part NumberA555
Item NameCock,shutoff,screw Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1560-00-027-9359 INTERCHANGEABLE
Heater Pad,door
5905-00-110-32002502-1 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
General Microwave Corporation Div Kratos Microwave Electronics
3040-00-125-81716850 INTERCHANGEABLE
Bell Crank
Telemechanics Inc
5999-00-279-2020A555 INTERCHANGEABLE
Retainer,electrical Shield
Jetronic Industries, Inc. Dba Jetronic Industries, Inc. Div Contracts
5330-00-285-5958 INTERCHANGEABLE
Seal,plain Encased
1730-00-333-0148A555 INTERCHANGEABLE
Safety Shoe,ladder
Northrop Grumman Systems Corporation
6605-00-334-91796850 INTERCHANGEABLE
Reading Glass,compa
Lockheed Martin Corporation Div Rms - Mitchel Field
2805-00-382-7986028501 INTERCHANGEABLE
Cap
Caterpillar Inc Div Caterpillar Defense
4310-00-392-5320 INTERCHANGEABLE
Valve Plate,compressor
3442-00-394-3106 INTERCHANGEABLE
Press Arbor Power Operated
Cross-Reference Index
Part NumberManufacturer
7423356 Lockheed Martin Corporation Div Rms (USA)
A555 PRIMARY Danfoss Power Solutions II, Llc (USA)
131-50555 Dana Corp Weatherhead Div (USA)
29898 Jenny Products, Inc (USA)
B7313 PRIMARY Kysor Industrial Corp (USA)
F4336 Harsco Corp Fairmont Railway Motors Div (USA)
103EF Imperial (USA)
131-50555 Danfoss Power Solutions II, Llc (USA)
M-547 Gardner Denver Inc. (USA)
7N450 Caterpillar Inc Div Caterpillar Defense (USA)
29898 Davey Compressor Co Div of Keco Industries Inc (USA)
96H018 PRIMARY Pellerin Milnor Corporation (USA)
555 Dana Corp Weatherhead Div (USA)
69F1 Clark Material Handling Company (USA)
6D238 Holt Bros (USA)
69V4J Anderson Brass Co (USA)
3057-00805-01 PRIMARY Kysor Industrial Corp (USA)
B25021 Bell and Howell Co Business Equipment Group (USA)
7N0450 Caterpillar Inc Div Caterpillar Defense (USA)
A555 Dana Corp Weatherhead Div (USA)
Related Parts
1560-00-027-9359INTERCHANGEABLE
HEATER PAD,DOOR
5905-00-110-3200INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
2502-1
3040-00-125-8171INTERCHANGEABLE
BELL CRANK
6850
5999-00-279-2020INTERCHANGEABLE
RETAINER,ELECTRICAL SHIELD
A555
5330-00-285-5958INTERCHANGEABLE
SEAL,PLAIN ENCASED
1730-00-333-0148INTERCHANGEABLE
SAFETY SHOE,LADDER
A555
6605-00-334-9179INTERCHANGEABLE
READING GLASS,COMPA
6850
2805-00-382-7986INTERCHANGEABLE
CAP
028501
4310-00-392-5320INTERCHANGEABLE
VALVE PLATE,COMPRESSOR
3442-00-394-3106INTERCHANGEABLE
PRESS ARBOR POWER OPERATED
3010-00-397-3144INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
100-486
5835-00-445-5539INTERCHANGEABLE
STEROCORDER,SOUND
555A

Frequently Asked Questions

What is NSN 4820-00-391-3782?

NSN 4820-00-391-3782 is a Cock,shutoff,screw Stem, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-391-3782?

NSN 4820-00-391-3782 has 34 cross-referenced part numbers: 7423356 (Lockheed Martin Corporation Div Rms), A555 (Danfoss Power Solutions II, Llc), 131-50555 (Dana Corp Weatherhead Div), 29898 (Jenny Products, Inc), B7313 (Kysor Industrial Corp) and 29 more.

What NSN replaces 4820-00-391-3782?

There are 12 known substitutes for 4820-00-391-3782: 1560-00-027-9359, 5905-00-110-3200, 3040-00-125-8171 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-391-3782 still in active supply?

NSN 4820-00-391-3782 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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