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3590-H181 — RECEPTACLE,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3590-H181: RECEPTACLE,TURNLOCK FASTENER.

The RECEPTACLE,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, mounting_style: PLAIN W/MOUNTING HOLE, receptacle_width: 0.281 INCHES NOMINAL IN, receptacle_height: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, receptacle_overall_length: 11.812 INCHES NOMINAL IN, turnlock_receptacle_style: RECEPTACLE. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-282-7565, 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
3590-H181
NSN: 5325-01-282-7565
FSC: 5325 — Fastening Devices
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
mounting_stylePLAIN W/MOUNTING HOLE
receptacle_width0.281 INCHES NOMINAL IN
receptacle_height0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
receptacle_overall_length11.812 INCHES NOMINAL IN
turnlock_receptacle_styleRECEPTACLE
turnlock_mounting_hole_diameter0.127 INCHES NOMINAL IN
material_document_and_classificationQQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
center_to_center_distance_between_mounting_holes0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
NSN5325-01-282-7565
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3590-H181 · 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: 11.812 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES: 0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
•
MOUNTING STYLE: PLAIN W/MOUNTING HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
TURNLOCK RECEPTACLE STYLE: RECEPTACLE
•
RECEPTACLE WIDTH: 0.281 INCHES NOMINAL IN
•
TURNLOCK MOUNTING HOLE DIAMETER: 0.127 INCHES NOMINAL IN
•
RECEPTACLE HEIGHT: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
RECEPTACLE OVERALL LENGTH11.812 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
MOUNTING STYLEPLAIN W/MOUNTING HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TURNLOCK RECEPTACLE STYLERECEPTACLE
RECEPTACLE WIDTH0.281 INCHES NOMINAL IN
TURNLOCK MOUNTING HOLE DIAMETER0.127 INCHES NOMINAL IN
RECEPTACLE HEIGHT0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY 6061 OVERALL
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
PR3.5X11 13/16Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
GR520G181Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 3590-H181?
3590-H181 is a RECEPTACLE,TURNLOCK FASTENER.
What parts can replace 3590-H181?
There are 2 known substitutes for 3590-H181: PR3.5X11 13/16, GR520G181. Substitute compatibility should be verified for your specific system.
What is the NSN for 3590-H181?
3590-H181 is cataloged in the U.S. Government catalog under NSN 5325-01-282-7565. 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.