Relief Vent Unit

NSN: 4930-01-451-6809 | Model: 62828-90352-2

A spring loaded device equipped with automatic pressure and vacuum relief valves to relieve drum structure of excessive vapor pressure build-ups and provide for vacuum relief to facilitate liquid flow. It also serves as a filling unit with removable cap with chain attachment.

NSN Properties and Flags

NATO Stock Number

4930-01-451-6809

DEMIL

End Application

Automated surface observing system (asos)

Special Features

Static pressure vent; 5.12 in w x 3.55 in h; .750 ipt; item shall minimize the error of barometric pressure measurement due to wind speed; shall deliver at its output measurement port a representation of static ambient atmospheric pressure accurate within +/-0.014 in. Hg when exposed to wind up to 30 knots at any azimuth and at normal incidence in elevation

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 4930-01-451-6809 Datasheet

Supply Class (FSC):

Lubrication And Fuel Dispensing Equipment

Cross Reference:

62828-90352-2
31272-1
62828-90352-2

Cage Codes:

Awi Systems Management Inc (CAGE 0J8A4)
Belfort Instrument Company (CAGE 82205)
Aai Corporation (CAGE 97384)

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

ESD

A - No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.

ADPE

- Represents items with no adp components

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

NSN Management Codes:

SOS
G13
AAC
G
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
Sf9---n
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $3,197.52 to $5,329.19..
Does NSN 4930-01-451-6809 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, Department Of The Navy, and National Weather Service
What is the NIIN of NSN 4930-01-451-6809?
014516809 or 01-451-6809
Does NSN 4930-01-451-6809 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4930-01-451-6809?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Dec 24, 1997