PartsTable
Technical Data Sheet
Download PDF

GR520F6A — RECEPTACLE,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

GR520F6A: RECEPTACLE,TURNLOCK FASTENER.

The RECEPTACLE,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 RECEPTACLE, mounting_style: COUNTERSUNK, receptacle_width: 0.375 INCHES NOMINAL IN, receptacle_height: 0.344 INCHES NOMINAL IN, surface_treatment: ANODIZE RECEPTACLE, countersink_angle_in_deg: 82.000. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-027-8719, 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
GR520F6A
NSN: 5325-00-027-8719
FSC: 5325 — Fastening Devices
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 RECEPTACLE
mounting_styleCOUNTERSUNK
receptacle_width0.375 INCHES NOMINAL IN
receptacle_height0.344 INCHES NOMINAL IN
surface_treatmentANODIZE RECEPTACLE
countersink_angle_in_deg82.000
receptacle_overall_length0.938 INCHES NOMINAL IN
turnlock_receptacle_styleRECEPTACLE
turnlock_mounting_hole_diameter0.193 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-250/12,T6 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
surface_treatment_document_and_classificationQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EJECTOR SPRING
center_to_center_distance_between_mounting_holes0.625 INCHES NOMINAL IN
NSN5325-00-027-8719
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GR520F6A · 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
•
COUNTERSINK ANGLE IN DEG: 82.000
•
RECEPTACLE OVERALL LENGTH: 0.938 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 3,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE RECEPTACLE
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES: 0.625 INCHES NOMINAL IN
•
MOUNTING STYLE: COUNTERSUNK
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/12,T6 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
TECHNICAL CHARACTERISTICS
COUNTERSINK ANGLE IN DEG82.000
RECEPTACLE OVERALL LENGTH0.938 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 3,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE RECEPTACLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EJECTOR SPRING
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES0.625 INCHES NOMINAL IN
MOUNTING STYLECOUNTERSUNK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/12,T6 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/12,T6 FED SPEC SINGLE MATERIAL RESPONSE RECEPTACLE
TURNLOCK RECEPTACLE STYLERECEPTACLE
RECEPTACLE WIDTH0.375 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 8
019180-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
PC99098-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
1946680-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
810AS2224-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
03A090-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
115389-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy GR520F6A?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is GR520F6A?
GR520F6A is a RECEPTACLE,TURNLOCK FASTENER.
What parts can replace GR520F6A?
There are 8 known substitutes for GR520F6A: 019180-3, PC99098-1, 1946680-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GR520F6A?
GR520F6A is cataloged in the U.S. Government catalog under NSN 5325-00-027-8719. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — GR520F6A

✓ 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.