NSN (5305001775578) – NSN 5305-00-177-5578 Parts List

Item Name Screw Lag
Federal Supply Group (FSG) Hardware and Abrasives
Federal Supply Class (FSC) 5305 Screws
National Item Identification Number (NIIN) 00-177-5578 (001775578)
NCB Code USA (00)
Manufacturer General Services Administration Inc, Bolt Depot Inc, Federal Specifications, American National Standards, Hillman Group Inc, Military Standards Corp
Part Number Manufacturer Item Name Cage Code RFQ
FF-B-561 TY1ST1GRB general services administration inc screw lag 80244 RFQ
1065 bolt depot inc screw lag 7heq0 RFQ
FF-B-561 federal specifications screw lag 81348 RFQ
ANSI B18.2.1 american national standards screw lag 80204 RFQ
230063 hillman group inc screw lag 2s125 RFQ
MS16992-528 military standards corp screw lag 96906 RFQ

Technical Characteristics of NSN 5305001775578

MRCCriteriaCharacteristic
AASBFASTENER LENGTH4.000 INCHES NOMINAL
AASKHEAD STYLEHEXAGON
AASUHEAD HEIGHT0.195 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
AATBWIDTH BETWEEN FLATS0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
AATNSHOULDER DIAMETER0.298 INCHES MINIMUM FIRST SHOULDER AND 0.324 INCHES MAXIMUM FIRST SHOULDER
AATXSHOULDER LENGTH0.125 INCHES MINIMUM OVERALL
CQBCMINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING60.0 ROCKWELL B MINIMUM OVERALL
CRGFNONMACHINE THREAD STYLEGIMLET POINT (TYPE A,AB OR BA)
CTYFNONMACHINE NOMINAL THREAD DIAMETER0.312 INCHES
CWYBSHOULDER SHAPEROUND FIRST SHOULDER
MATTMATERIALSTEEL OVERALL
SFTTSURFACE TREATMENTZINC OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A153-60 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

Relevant Components for NSN - 5305-00-177-5578, 5305001775578
5306-00-328-4387 (5306003284387) 5315-00-597-5584 (5315005975584) 5305-01-348-0619 (5305013480619) 5305-01-552-2787 (5305015522787)
5330-01-171-0634 (5330011710634) 5325-01-387-4976 (5325013874976) 5320-00-343-5474 (5320003435474) 5365-00-409-4173 (5365004094173)
5325-01-631-8303 (5325016318303) 5330-01-466-9019 (5330014669019) 5342-01-629-8604 (5342016298604) 5330-00-785-0730 (5330007850730)

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