INSTANT RFQ

Request a Quote on Northrop Grumman Technical Services Inc Part Number 51B221-21 with the NSN 5305-01-049-1251 Today

Part Number: 51B221-21
Alternate P/N: 51B22121
NIIN: 010491251
Item Name : Screw Close Toleran
CAGE Code: 0JRC1
FSG: 53 Hardware and Abrasives
Country: USA
NCB Code: 01

Buy Mil Spares is your sourcing solution for top-quality military and defense parts, aerospace parts, and other similar products that are necessary for operational fulfillment. You have reached the RFQ page for part number 51B221-21, a Screw Close Toleran item that is listed with the NSN 5305-01-049-1251 for an ease of identification. Manufactured by Northrop Grumman Technical Services Inc and readily available for procurement today, you are always welcome to request a quote on this NSN part to receive tailored pricing information and fulfillment options from our team. Simply offer us important information like your desired quantity, price, and fulfillment timeframe, and our team will supply you with a tailored quote on part number 51B221-21 in 15 minutes or less.

Note : We Will Not Share Your Information To Any Third Parties.

Product Details

“*” Required Fields Are Compulsory

Contact Information

   * By clicking this box, I acknowledge that I have read and accept the ASAP Semiconductor Terms and Conditions and agree that all quotes and purchase orders are exclusively subject to the ASAP Semiconductor Terms and Conditions.
  • I consent to receive email communications from ASAP Semiconductor and can unsubscribe at any time.
  • ASAP Semiconductor is a wholly independent aftermarket parts distributor.
  • This website is intended for quotations based on part numbers only. Please DO NOT submit drawings, technical data, or other specifications through this portal.

Disclaimer: This is a quotation for the goods listed above. This quotation is meant as an estimate and does not reflect a final bill or invoice. All quotations are subject to change until acceptance by ASAP Semiconductor of a binding Purchase Order, and quotations may be withdrawn or revised at the sole discretion of ASAP Semiconductor. This quotation is subject to the ASAP Semiconductor Terms & Conditions available at https://www.asapsemi.com/terms-conditions.aspx . All United States Government and Department of Defense bids are quoted as CAGE code 6RE77 from ASAP Semiconductor’s Anaheim, California facility. Any quotation from ASAP Semiconductor without 6RE77 is void.

Upload RFQ SHEET

To ensure that customers quickly identify and procure exact items, we list everything with as much relevant information as possible. For example, while part number 51B221-21 is manufactured by Northrop Grumman Technical Services Inc, it is specifically done so under CAGE Code 0JRC1, a unique identifier assigned to a specific facility by the DLA that supplies to various government or defense agencies. Furthermore, using the first digits of the NSN 5305-01-049-1251, one can also determine that this part falls under FSC 5305 Screws. With this in mind, continue exploring our website today, and see how we can help you secure competitive pricing and rapid lead times on all desired NSN parts.

NSN Information for Part Number 51B221-21 with NSN 5305-01-049-1251, 5305010491251

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305-01-049-1251

Item PartTypeName:

SCREW,CLOSE TOLERANCE

53050104912510N
CIICHCCESDPMICCriticalityENAC
UU
Part NumberISCRNVCRNCCHCCMSDSSADC
51B221-2161C9

Characteristics Data of NSN 5305-01-049-1251, 5305010491251

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.246 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
AASBFASTENER LENGTH1.573 INCHES MINIMUM AND 1.620 INCHES MAXIMUM
AASKHEAD STYLEPAN
AASLHEAD DIAMETER0.361 INCHES MINIMUM AND 0.381 INCHES MAXIMUM
AASUHEAD HEIGHT0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
AAURGRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
ABQZINTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
AHYMNOMINAL THREAD DIAMETER0.190 INCHES
ANEEGRIP LENGTH1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM
CMLPTHREAD QUANTITY PER INCH32
CQBCMINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
CSYMSURFACE FINISH32.0 MICROINCHES GRIP
MATTMATERIALSTEEL COMP E4340 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNJF
ZZZKSPECIFICATION/STANDARD DATA86823-51B221 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Related NSN Components of 51B221 21

A Complete NSN Part Purchasing Platform

  • AS9120B and ISO 9001:2015
  • Aviation Suppliers Association Member
  • FAA AC 0056B Accredited
  • AS 6081:2012 Certification
  • ESD S20.20-2014 Certification

Thank You for Visiting.

If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.

Request for Quote

We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.

bottom to top