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3M305-4-8-0 — RECEPTACLE,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3M305-4-8-0: RECEPTACLE,TURNLOCK FASTENER.

The RECEPTACLE,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL WASHER, mounting_style: PLAIN W/MOUNTING HOLE, receptacle_width: 0.625 INCHES MAXIMUM IN, receptacle_height: 0.712 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE METALLIC PARTS, receptacle_overall_length: 1.017 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-171-8768, 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
3M305-4-8-0
NSN: 5325-01-171-8768
FSC: 5325 — Fastening Devices
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL WASHER
mounting_stylePLAIN W/MOUNTING HOLE
receptacle_width0.625 INCHES MAXIMUM IN
receptacle_height0.712 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE METALLIC PARTS
receptacle_overall_length1.017 INCHES MAXIMUM IN
turnlock_receptacle_styleRECEPTACLE
turnlock_mounting_hole_diameter0.098 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE METALLIC PARTS
center_to_center_distance_between_mounting_holes0.748 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
receptacle_thread_size_and_series/type_designator0.164-32 UNIFIED NATIONAL JOINT FINE (UNJF)
NSN5325-01-171-8768
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3M305-4-8-0 · 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
•
RECEPTACLE OVERALL LENGTH: 1.017 INCHES MAXIMUM IN
•
RECEPTACLE THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.164-32 UNIFIED NATIONAL JOINT FINE (UNJF)
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE METALLIC PARTS
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES: 0.748 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
•
MOUNTING STYLE: PLAIN W/MOUNTING HOLE
•
TURNLOCK RECEPTACLE STYLE: RECEPTACLE
•
RECEPTACLE WIDTH: 0.625 INCHES MAXIMUM IN
•
TURNLOCK MOUNTING HOLE DIAMETER: 0.098 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
RECEPTACLE OVERALL LENGTH1.017 INCHES MAXIMUM IN
RECEPTACLE THREAD SIZE AND SERIES/TYPE DESIGNATOR0.164-32 UNIFIED NATIONAL JOINT FINE (UNJF)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE METALLIC PARTS
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES0.748 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
MOUNTING STYLEPLAIN W/MOUNTING HOLE
TURNLOCK RECEPTACLE STYLERECEPTACLE
RECEPTACLE WIDTH0.625 INCHES MAXIMUM IN
TURNLOCK MOUNTING HOLE DIAMETER0.098 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE METALLIC PARTS
RECEPTACLE HEIGHT0.712 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 2
BACF34D4R8D0Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1970-4-8-0Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3M305-4-8-0?
3M305-4-8-0 is a RECEPTACLE,TURNLOCK FASTENER.
What parts can replace 3M305-4-8-0?
There are 2 known substitutes for 3M305-4-8-0: BACF34D4R8D0, 1970-4-8-0. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M305-4-8-0?
3M305-4-8-0 is cataloged in the U.S. Government catalog under NSN 5325-01-171-8768. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.