Quote for RMLH6521-048 Harvard Industries Inc Part with NSN 5310-01-303-8159

Part Number:  RMLH6521-048
Alternate P/N:  RMLH6521048
Manufacturer:  harvard industries inc
NIIN:  13038159
Item Name :  nut self locking do
CAGE Code:  72962
INC Code:  05276
Country:  USA
NCB Code:  01
FSG:  53 Hardware and Abrasives
Last Updated:  01-29-2026

Are you looking quote for part RMLH6521-048? The Harvard Industries Inc-manufactured component (CAGE Code: 72962) is documented under NSN 5310-01-303-8159 as Nut Self Locking Do. For the fastest quote, please complete our RFQ form with details about RMLH6521-048. We guarantee a response within 15 minutes.

ASAP Components provides the verified RMLH6521-048, classified under INC 05276, FSG 53 Hardware and Abrasives, FSC 5310 Nuts and Washers, NIIN 01-303-8159, and NCB 01. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number RMLH6521-048 with NSN 5310-01-303-8159, 5310013038159

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5310-01-303-8159

Item PartTypeName:

NUT,SELF-LOCKING,DOUBLE HEXAGON

53100130381590N
CIICHCCESDPMICCriticalityENAC
U A
Part NumberISCRNVCRNCCHCCMSDSSADC
EWSN26MD-451CA

Characteristics Data of NSN 5310-01-303-8159, 5310013038159

MRCCriteriaCharacteristic
ASDBWIDTH ACROSS FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
AZKQTEMP RATING450.0 DEG FAHRENHEIT MAXIMUM
CMLPTHREAD QUANTITY PER INCH28
CQJXNOMINAL THREAD SIZE0.250 INCHES
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AAJDTHREAD CLASS3B
AAJFTHREAD DIRECTIONRIGHT-HAND
AAUMLOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
ABAJLUBRICATIONDRY FILM LUBRICANT
ACTANUT STYLEDOUBLE HEXAGON
ADEANUT HEIGHT0.199 INCHES MAXIMUM
BZRRTHREAD SERIESUNJF
CQFMHARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
CRTMBEARING SURFACE TYPECHAMFERED
MATTMATERIALSTEEL COMP 601 OR STEEL COMP 8740 OR STEEL COMP H11 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONAMS 6304 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6485 ASSN STD 3RD MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
ZZZKSPECIFICATION/STANDARD DATA80205-NAS1759 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Schedule B & Trade

End Use : 12300 Finished metal shapes
Schedule B : 7318160000 (NAICS 332722) Nuts of iron or steel
SITC : 69421 Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel

Identification

CRITL The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
PMIC A - Item does not contain precious metal.

NSN Management Codes

AAC Z
Classification Control U
MGMT_CTL T2200x-
Quantity per pack 1
Repariability This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.
Shelf Life N/A
SOS Sms
Unit of Measure Ea

Freight Information

ACC: B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
ADC: A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
LTL: W - Rating variable
NMFC: 093486 - Bolts, nuts or screws, noi (sub 3)
SHC: 9 - Other or no special handling required (sh)
TCC: Z - No special type of cargo code applicable
WCC: 573 - Bolts or nuts (iron or steel),(less than 35 feet)

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