Vent Plug
MIL-F-21467
(NSN) National Stock Number
5340-01-271-4891
Federal Supply Classification
5340 Commercial Hardware
Item Name Code
28458
Schedule B Code
8421990080
Summary
2a thread class, 0.438 inches nominal outside diameter, threaded end connection type, 1 vent hole quantity, zzzy criticality code justification, nickel alloy material
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 3 | - | - | 4 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 1 | - | - | ZZ |
Identification
A ported item with or without external threads. The port(s) may contain a filtering disk or wire fabric. It is designed to be inserted into an opening in a cylinder, pump, regulator, valve, housing, casing, or the like, to permit the free flow of fluid from or to the atmosphere. Excludes:breather.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 28458 | A539T0 | - | 1 |
Specifications
Thread Class
2a
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Outside Diameter
0.438 inches nominal
Details
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.End Connection Type
threaded
Details
Indicates the type of end connection.Vent Hole Quantity
1
Details
The number of vent holes provided on the item.Criticality Code Justification
zzzy
Details
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.Material
nickel alloy
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Thread Size And Series/Type Designator
7/16-20 unf
Details
Designates the thread diameter,series/type,and number of threads per specific measurement scale.Reference Number Differentiating Characteristics
material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications
Details
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 216-5007719 PC5 | 53711 | C | - | 3 | 1 | - | HX |
| MIL-F-21467 FIG 14 | 81349 | 3 | - | 5 | 9 | - | HX |
| MIL-F-21467/FIG 17(16-20UNF2A) | 81349 | 3 | - | 5 | 1 | - | ZZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| P | A | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 49080 | - | W | W |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 713 | Z | 9 |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
- Genuine Manufacturers Parts
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- 7 Year Sales Record Retention
- Fast On-Time Delivery
- HAZMAT Certified
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Manufacturer
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
CAGE: 81349
FAQs
Frequently asked questions for NSN 5340-01-271-4891
What is the NIIN of the NSN 5340-01-271-4891?
The National Item Identification Number (NIIN) of the NSN 5340-01-271-4891 is 01-271-4891
When the NSN 5340-01-271-4891 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Tue, Jan 26, 1988
Does the NSN 5340-01-271-4891 contain any precious metals?
Does not contain precious metal
Does the NSN 5340-01-271-4891 contain any hazardous material?
No information in HMIRS
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