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Technical Data Sheet
PartsTable / COMPONENT / 3M1057A5A
3M1057A5A ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RECEPTACLE,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 BARREL, mounting_style: PLAIN W/MOUNTING HOLE, receptacle_width: 0.500 INCHES MAXIMUM IN, receptacle_height: 0.720 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, receptacle_overall_length: 1.140 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-291-5168, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
3M1057A5A
NSN: 5325-01-291-5168
FSC: 5325
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 BARREL
mounting_stylePLAIN W/MOUNTING HOLE
receptacle_width0.500 INCHES MAXIMUM IN
receptacle_height0.720 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
receptacle_overall_length1.140 INCHES MAXIMUM IN
turnlock_receptacle_styleRECEPTACLE
turnlock_mounting_hole_diameter0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
material_document_and_classificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE BARREL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
center_to_center_distance_between_mounting_holes0.873 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
mounting_facility_thread_size_and_series/type_designator0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF)
NSN5325-01-291-5168
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3M1057A5A · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING STYLE: PLAIN W/MOUNTING HOLE
•
MATERIAL: STEEL COMP 8740 BARREL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE STUD
•
RECEPTACLE WIDTH: 0.500 INCHES MAXIMUM IN
•
MOUNTING FACILITY THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF)
•
TURNLOCK MOUNTING HOLE DIAMETER: 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING STYLEPLAIN W/MOUNTING HOLE
MATERIALSTEEL COMP 8740 BARREL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE STUD
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5085 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
MATERIALSTEEL COMP 1050 RETAINER
RECEPTACLE WIDTH0.500 INCHES MAXIMUM IN
MOUNTING FACILITY THREAD SIZE AND SERIES/TYPE DESIGNATOR0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF)
TURNLOCK MOUNTING HOLE DIAMETER0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
RECEPTACLE HEIGHT0.720 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
10785Interchangeable
interchangeable cross-reference
interchangeable
7214Interchangeable
interchangeable cross-reference
interchangeable
907214Interchangeable
interchangeable cross-reference
interchangeable
506Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-313 TY4CL1Interchangeable
interchangeable cross-reference
interchangeable
32505Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3M1057A5A?
3M1057A5A is a RECEPTACLE,TURNLOCK FASTENER.
What parts can replace 3M1057A5A?
There are 14 known substitutes for 3M1057A5A: 10785, 7214, 907214 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M1057A5A?
3M1057A5A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-291-5168. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026