Instant RFQ

Get a Competitive Quote for Part H55-4 by Alcoa Global Fasteners Inc (NSN 5310-00-857-5557)

Part Number:  H55-4
Alternate P/N:  H554
Manufacturer:  alcoa global fasteners inc
NIIN:  8575557
Item Name :  nut self locking he
CAGE Code:  75237
FSG:  53 Hardware and Abrasives
INC Code:  05277
Country:  USA
NCB Code:  00

Thank you for choosing PurchasingEfficiency.com to source Part Number H55-4 with an NSN 5310-00-857-5557. Purchasing Efficiency is a leading website for purchasing long lead-time, hard to find, and obsolete parts, as well as new and used parts.

Please complete the RFQ form for part number H55-4 with 75237 and a dedicated product expert will be in touch with you within 15 minutes to discuss your quote for part number H55-4, NSN 5310-00-857-5557, and manufactured by Alcoa Global Fasteners Inc.

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

Please fill out below form for H55-4

Contact Information

“*” Required Fields Are Compulsory
   * 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are subject to change until acceptance by ASAP Semiconductor of a binding Purchase Order, and quotations may be withdrawn or revised at the sole discretion of ASAP Semiconductor.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/customer-terms-and-conditions/ . 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 Aircraft Model 6RE77 is void.

We stock more than 25 million parts from 5,100+ recognized manufacturers. All orders are supplied through California, comprising of a comprehensive product inventory. For any additional queries, you can contact us 24/7 on our toll-free number: +1-714-705-4780 or e-mail us at sales@purchasingefficiency.com

NSN Information for Part Number H55-4 with NSN 5310-00-857-5557, 5310008575557

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5310-00-857-5557

Item Description:

Nutself Lockinghexagon

53100085755570N 5310014185799
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
28fh-428325

Characteristics Data of NSN 5310-00-857-5557, 5310008575557

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3B
AAUMLOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
ABAJLUBRICATIONDRY FILM LUBRICANT
ADEANUT HEIGHT0 240 INCHES MINIMUM AND 0 328 INCHES MAXIMUM
AZKQTEMP RATING450 0 DEG FAHRENHEIT NOMINAL
CRSQCOUNTERSINK ANGLE88 0 DEGREES NOMINAL NUT
CRTMBEARING SURFACE TYPECHAMFERED
CSXLBEARING SURFACE FINISH125 0 MICROINCHES
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AAJFTHREAD DIRECTIONRIGHT-HAND
ACTANUT STYLEHEXAGON
AGAVEND ITEM IDENTIFICATIONHIGH-MOBILITY ARTILLERY ROCKET SYSTEM HIMARS
ASDBWIDTH ACROSS FLATS0 430 INCHES MINIMUM AND 0 439 INCHES MAXIMUM
BZRRTHREAD SERIESUNJF
CMLPTHREAD QUANTITY PER INCH28
CQJXNOMINAL THREAD SIZE0 250 INCHES
MATTMATERIALSTEEL OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL

ASAP Semiconductor’s Certifications and Memberships


Thank You for Visiting Purchasing Efficiency Today.

If You’d Like to Stay Up to Date On the Newest Parts That We offer, Kindly Go Through Our Aircraft Parts Catalog.

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