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4820-01-377-6472

Pressure Relief Safety Head

4820013776472 013776472 77-EBD-039PC6

An item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. It may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. Excludes VALVE, SAFETY RELIEF and PLUG, FUSIBLE. For items furnished with a disk, see HEAD AND DISK, SAFETY, PRESSURE RELIER. View more Pressure Relief Safety Head

Managed by United States

NSN Created on 22 Jul 1993

Data Last Changed
May 2023

NATO Update Count
1

NATO Data Quality

4820-01-377-6472 HEAD,SAFETY,PRESSURE RELIEF 4820013776472 013776472 1/1 — NSN 4820-01-377-6472 (Generic Image) 1/1

Marketplace 4820-01-377-6472

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4820-01-377-6472 RQST NE

Restrictions 4820-01-377-6472

4820-01-377-6472 is a Pressure Relief Safety Head that does not have a nuclear hardened feature, but does have another critical feature or features such as tolerance, fit restriction or application. This item is a US Munitions List or Commerce Control List Item where the Item Manager, Equipment Specialist or Product Specialist must provide special demilitarization instructions. This item is not suspected to be hazardous. This item does not contain a precious metal.

Import and Export 4820-01-377-6472

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End Users 4820-01-377-6472

US Navy (N1HE)
Effective Date:: 1 Jul 1993
Supplementary Receivers:: GG; AMC 1 AMSC H IMC P

Approved Sources 4820-01-377-6472

Part Number
Manufacturer
Status
77-EBD-039PC6: 32874 - Bs&B Safety Systems Llc (Active); Incomplete Reference; RNCC 3 RNVC 1 DAC C

Datasheet 4820-01-377-6472

Characteristic
Specifications
FIIG: A512U0
Criticality Code Justification [CRTL]: Zzzy
Reference Number Differentiating Characteristics [ZZZY]: Material Will Be In Accordance With Ships Parts Control Center Activity Hx Quality Control, Manufacturing And Testing Specifications

Management Data 4820-01-377-6472

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Effective Date: Organization; Unit of Issue; Unit Price; Qty Unit Pack
Oct 2022: Department of the Navy (DN); EA; Subscribe; 1
Oct 2021: Department of the Navy (DN); EA; Subscribe; 1
Oct 2020: Department of the Navy (DN); EA; Subscribe; 1
Oct 2019: Department of the Navy (DN); EA; Subscribe; 1

Navy

Cognizance:

1H: Consumable material assigned to NAVICP MECH for inventory management
Naval Inventory Control Point, Mechanicsburg

Special Material ID:

X3: Nuclear Reactor Plant (NRP) material under the technical cognizance of the NAVSEA 08 special designed, manufactured and/or treated for use in a NRP or controls thereof. This category includes all other NRP items which are not coded X2 or X4.

Issue, Repair, Requisition Restriction Code:

BL: Submit/refer requisitions to NAVICP MECH. Centralized control for issue of repair parts for specific programs/equipment

Special Material Content:

9: Non-Hazardous or Non-Sensitive Item

NATO Stock Numbers Related to 4820-01-377-6472

4820-14-556-1648 4820-14-432-6447 4820-01-520-5398 4820-12-363-7599 4820-99-319-8518 4820-01-591-7378 4820-01-273-1107 4820-01-207-0179 4820-01-286-4477 4820-01-035-6618 4820-01-154-8123 4820-01-341-1988 4820-01-099-9758 4820-01-014-7531 4820-01-700-3689 4820-14-564-0535 4820-99-301-1712 4820-14-556-4338

Freight Information 4820-01-377-6472

4820-01-377-6472 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 051080. A Sub NMFC of Z. It has a NMFC Description of FAUCETS,BIBCOCKS,GATES VALVES. 4820-01-377-6472 is rated as a variable freight class when transported by Less-Than Truckload (LTL) freight. 4820-01-377-6472 is rated as class 60 when transported by Less-Than Carload (LCL) rail or ocean freight. It has a Uniform Freight Classification (UFC) number of 29300 which rates the freight between FCL and LCL. 4820-01-377-6472 has a variance between NMFC and UFC when transported by rail and the description should be consulted. It has a Water Commodity Code (WCC) of 594 for ocean manifesting and military sealift. 4820-01-377-6472 is not classified as a special type of cargo when transported by water. 4820-01-377-6472 is not a consolidation and does not exceed 84" in any dimension. It should be compatible with a standard 72" Aircraft Cargo Door when transported by air.

Packaging Data 4820-01-377-6472

Responsible Activity
Packaging Data Source: Primary Inventory Control Activity (PICA); Manufacturer/Contractor

Storage Environment: Heated General Purpose – Heated 40 F and above

Item Pack Level (Unpackaged)

Item Size
Item Weight
Characteristics
Weight/Dimensions Category
Fragility
Item Preservation: 1.0" H x 1.0" W x 0.5" L; --; --; 2lb to 5lb, all dimensions less than 24"; Above 110G; No Requirement

Unit Pack Level (Packaged)

Quantity per Pack
Unit Size
Unit Weight
Unit Cube
Preservation Method
Cleaning/Drying: 1; 3.0" H x 3.0" W x 1.0" L; --; --; Physical Protection; Any Suitable Process

Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking: No Requirement; No Requirement; No Requirement; --; PPP-B-566, PPP-B-676, or ASTM-D5118, Folding, Setup or Fiberboard Box; No special marking

Intermediate Pack Level

Quantity of Unit Packs
Container: ASTM-D5118, Type CF, Class Weather-Resistant, Corrugated Fiberboard Box