INSTANT RFQ

Explore Our NSN 5305-01-278-1991 Parts List

Item Name Screw Cap Socket Head
Federal Supply Group (FSG) Hardware and Abrasives
Federal Supply Class (FSC) 5305 Screws
National Item Identification Number (NIIN) 01-278-1991 (012781991)
NCB Code USA (01)
Manufacturer Lockheed Martin Corporation, Alcoa Global Fasteners Inc
Part Number Manufacturer Item Name Cage Code RFQ
C9747-3-3-11 lockheed martin corporation screw cap socket head 81755 RFQ
CA21241C-10-3-11 alcoa global fasteners inc screw cap socket head 29372 RFQ

Technical Characteristics of NSN 5305012781991

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.432 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
AASBFASTENER LENGTH0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
AASKHEAD STYLEHEXAGON
AASUHEAD HEIGHT0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
AATBWIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM
ABQZINTERNAL DRIVE STYLEHEXAGON
AHYMNOMINAL THREAD DIAMETER0.190 INCHES
ASDBWIDTH ACROSS FLATS0.125 INCHES NOMINAL
CMLPTHREAD QUANTITY PER INCH32
FEATSPECIAL FEATURESTWO SLOT CUT OUT AT 180 DEGREES,0.608 IN. LENGTH,0.044MIN IN. AND 0.054 MAX IN. WIDTH
MATTMATERIALSTEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 309S OVERALL OR STE
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNF

Components Related to NSN - 5305-01-278-1991, 5305012781991
5340-01-631-5368 (5340016315368) 5330-01-297-3590 (5330012973590) 5360-00-245-2131 (5360002452131) 5365-01-571-1663 (5365015711663)
5342-01-255-3551 (5342012553551) 5330-01-556-4440 (5330015564440) 5330-01-613-3472 (5330016133472) 5342-01-259-3873 (5342012593873)
5340-00-575-1873 (5340005751873) 5310-00-151-9032 (5310001519032) 5315-01-622-0550 (5315016220550) 5340-01-429-0419 (5340014290419)

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