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1788374 — RECEPTACLE,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1788374: RECEPTACLE,TURNLOCK FASTENER.

The RECEPTACLE,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, mounting_style: PLAIN, receptacle_width: 0.812 INCHES NOMINAL IN, receptacle_height: 0.844 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL, receptacle_overall_length: 0.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-486-0009, 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
1788374
NSN: 5325-00-486-0009
FSC: 5325 — Fastening Devices
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
mounting_stylePLAIN
receptacle_width0.812 INCHES NOMINAL IN
receptacle_height0.844 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
receptacle_overall_length0.688 INCHES NOMINAL IN
turnlock_receptacle_styleRECEPTACLE
turnlock_mounting_hole_diameter0.688 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-Z-325 FED SPEC SINGLE TREATMENT RESPONSE BARREL
receptacle_thread_size_and_series/type_designator0.688-20 UNIFIED NATIONAL COARSE (UNC)
NSN5325-00-486-0009
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1788374 · 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: 0.688 INCHES NOMINAL IN
•
RECEPTACLE THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.688-20 UNIFIED NATIONAL COARSE (UNC)
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325 FED SPEC SINGLE TREATMENT RESPONSE BARREL
•
MOUNTING STYLE: PLAIN
•
TURNLOCK RECEPTACLE STYLE: RECEPTACLE
•
RECEPTACLE WIDTH: 0.812 INCHES NOMINAL IN
•
TURNLOCK MOUNTING HOLE DIAMETER: 0.688 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS
RECEPTACLE OVERALL LENGTH0.688 INCHES NOMINAL IN
RECEPTACLE THREAD SIZE AND SERIES/TYPE DESIGNATOR0.688-20 UNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325 FED SPEC SINGLE TREATMENT RESPONSE BARREL
MOUNTING STYLEPLAIN
TURNLOCK RECEPTACLE STYLERECEPTACLE
RECEPTACLE WIDTH0.812 INCHES NOMINAL IN
TURNLOCK MOUNTING HOLE DIAMETER0.688 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
RECEPTACLE HEIGHT0.844 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
STR7-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1788374?
1788374 is a RECEPTACLE,TURNLOCK FASTENER.
What parts can replace 1788374?
There is 1 known substitute for 1788374: STR7-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 1788374?
1788374 is cataloged in the U.S. Government catalog under NSN 5325-00-486-0009. 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.