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GR520D-12 — RECEPTACLE,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

GR520D-12: RECEPTACLE,TURNLOCK FASTENER.

The RECEPTACLE,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 RECEPTACLE, mounting_style: PLAIN W/MOUNTING HOLE, receptacle_width: 0.933 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN, special_features: FURNISHED W/ 2 SPACERS, features_provided: PROTECTIVE CAP, receptacle_height: 0.580 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-181-7517, 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
GR520D-12
NSN: 5325-01-181-7517
FSC: 5325 — Fastening Devices
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 RECEPTACLE
mounting_stylePLAIN W/MOUNTING HOLE
receptacle_width0.933 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN
special_featuresFURNISHED W/ 2 SPACERS
features_providedPROTECTIVE CAP
receptacle_height0.580 INCHES NOMINAL IN
receptacle_overall_length1.875 INCHES NOMINAL IN
turnlock_receptacle_styleRECEPTACLE
turnlock_mounting_hole_diameter0.281 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE RECEPTACLE
center_to_center_distance_between_mounting_holes1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN
NSN5325-01-181-7517
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GR520D-12 · 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: 1.875 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES: 1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN
•
MOUNTING STYLE: PLAIN W/MOUNTING HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE RECEPTACLE
•
TURNLOCK RECEPTACLE STYLE: RECEPTACLE
•
FEATURES PROVIDED: PROTECTIVE CAP
•
RECEPTACLE WIDTH: 0.933 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN
•
TURNLOCK MOUNTING HOLE DIAMETER: 0.281 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
RECEPTACLE OVERALL LENGTH1.875 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN
MOUNTING STYLEPLAIN W/MOUNTING HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE RECEPTACLE
TURNLOCK RECEPTACLE STYLERECEPTACLE
FEATURES PROVIDEDPROTECTIVE CAP
RECEPTACLE WIDTH0.933 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN
TURNLOCK MOUNTING HOLE DIAMETER0.281 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN
SPECIAL FEATURESFURNISHED W/ 2 SPACERS
RECEPTACLE HEIGHT0.580 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
D4-RF5CBCNASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
RF6Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2600-18F-C3CReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GR520D-12?
GR520D-12 is a RECEPTACLE,TURNLOCK FASTENER.
What parts can replace GR520D-12?
There are 3 known substitutes for GR520D-12: D4-RF5CBCNA, RF6, 2600-18F-C3C. Substitute compatibility should be verified for your specific system.
What is the NSN for GR520D-12?
GR520D-12 is cataloged in the U.S. Government catalog under NSN 5325-01-181-7517. This indicates validated use in U.S. government and defense supply chains.
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