Aerospace Hardware Store

Aerospace

Hardware

4820-01-221-4402

Fluid Valve Stem

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

Request for Quote

Send us a request for quote using the form below. Our team will promptly provide you with the latest pricing and availability details.

AS9120 ISO9001 Aviation Suppliers Association Global Shipping

Featured Parts

ED743989D03A140
5365-01-231-7586
Sleeve Spacer
ED743989D04A171
5365-01-220-2492
Sleeve Spacer
ED743989D08A171
5365-01-327-5888
Sleeve Spacer
ED743989D08E219
5365-01-327-0444
Sleeve Spacer
ED744684B14A115
5365-01-377-1615
Sleeve Spacer
ED744696-19
5310-01-218-8292
Hexagon Plain Nut
ED744696-20
5340-01-197-6493
Spacing Threaded Standoff
ED744696-21
5340-01-197-6494
Spacing Threaded Standoff

Need Assistance?

Our catalog is extensive, but we understand that sometimes specific needs might not be immediately available. If you could not find the exact products you were searching for, we are here to help!

Contact us directly, and our team will assist you in finding the perfect solution for your requirements.

Contact Us

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping

Official Item Classification

Name
Fluid Valve Stem
(NSN) National Stock Number
4820-01-221-4402
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
32528
(FIIG) Federal Item Identification Guide
A503Z0
Date
11/28/1985 (40 years ago)

quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items reference number differentiating characteristics, zzzy criticality code justification

Specs & Compatibility

Criticality Code Justification

zzzy

Reference Number Differentiating Characteristics

quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
S

The item is a non-aviation critical safety item (csi) whose failure will result in serious damage to equipment or serious injury or death to personnel.

Hazardous Metals Indicator
N

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

Pseudo Item Name Code

0032528

Related Hardware Products

Part Number Description
7870-015 ITEM 35 Fluid Valve Stem
7870-015 ITEM 35L1 Fluid Valve Stem
A12-7947-048-178 Fluid Valve Stem
A12-7947-048-178L1 Fluid Valve Stem

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-221-4402?
The FSCG of the NSN 4820-01-221-4402 is 4820
Does the NSN 4820-01-221-4402 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-221-4402 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4820-01-221-4402 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-221-4402 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4820-01-221-4402 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Thu, Nov 28, 1985