Gasket

AC1921

AC1921
(NSN) National Stock Number
5330-00-254-5678
Federal Supply Classification
5330 Packing and Gasket Materials
Item Name Code
04522
Schedule B Code
-
Summary

Solid single or composition cross-sectional shape style, 0.281 inches nominal hole diameter, 2.438 inches nominal overall length, 1.750 inches nominal overall width, 0.062 inches nominal outside corner radius, 1.250 inches nominal aperture width

DAC HCC DMIL RNCC
X - - 5
RNVC SADC MSDS RNAAC
9 - - XX
Identification

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

INC FIIG Concept Condition
04522 A032A0 - 1
Specifications
Cross-Sectional Shape Style
solid single or composition
Details The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
Hole Diameter
0.281 inches nominal
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Overall Length
2.438 inches nominal
Details The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Overall Width
1.750 inches nominal
Details An overall measurement taken at right angles to the length of an item,in distinction from thickness.
Outside Corner Radius
0.062 inches nominal
Details None.
Aperture Width
1.250 inches nominal
Details A measurement taken at right angles to the length of an aperture,in distinction from thickness.
Aperture Length
1.938 inches nominal
Details A measurement of the longest dimension of an aperture,in distinction from width.
Inside Corner Inverted Radius
0.281 inches nominal
Details None.
Center To Center Distance Between Bolt Holes Along Width
1.250 inches nominal
Details A measurement of the center to center distance between the bolt holes along the width.
Center To Center Distance Between Bolt Holes Along Length
1.938 inches nominal
Details A measurement of the center to center distance between the bolt holes along the length.
Outside Edge To Bolt Hole Center Distance Along Width
0.250 inches nominal
Details None.
Outside Edge To Bolt Hole Center Distance Along Length
0.250 inches nominal
Details None.
Cross-Sectional Thickness
0.031 inches nominal
Details A measurement of the smallest dimension of a cross section,in distinction from length or width.
Bolt Hole Quantity
4
Details The number of bolt holes provided on the item.
Material
asbestos overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
non-circular
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
942 06435 X - 5 9 - XX
942 35301 5 - 5 9 - XX
AC1921 35301 5 - 5 9 - XX
H16-1773 35301 5 - 3 2 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
P U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
- - - -
RVC WCC TCC SHC
- - - -
Price and Availability Quote

Send us a quick request for quote using the form below:

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
Manufacturer
DRESSER INDUSTRIES INC PETROLEUM EQUIPMENT DIV - WAYNE
CAGE: 06435
SALISBURY , MD , 21801-6467
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 5330-00-254-5678
What is the NIIN of the NSN 5330-00-254-5678?
The National Item Identification Number (NIIN) of the NSN 5330-00-254-5678 is 00-254-5678
When the NSN 5330-00-254-5678 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 5330-00-254-5678 contain any precious metals?
Type/content is unknown
Does the NSN 5330-00-254-5678 contain any hazardous material?
No information in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Similar Products
Who we are?

We are a trusted provider of milspec and aerospace hardware, offering high-quality consumables and parts. With a commitment to excellence, we guarantee reliable and fast delivery through our network of logistics centers. Our mission is to support the aerospace industry with precision and efficiency.

Contact
3555 Agricultural Center Dr.
St. Augustine, FL, 32092
United States
© 2025 Aerospace Hardware Store, Inc. All rights reserved.
Made in USA