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Technical Data Sheet
PartsTable / COMPONENT / 21187-00186
21187-00186 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RECEPTACLE,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, mounting_style: PLAIN W/MOUNTING HOLE, receptacle_width: 0.500 INCHES NOMINAL IN, receptacle_height: 0.175 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, receptacle_overall_length: 1.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-202-2050, 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
21187-00186
NSN: 5325-00-202-2050
FSC: 5325
CAGE: K0662 — LEONARDO MW LTD (GBR)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
mounting_stylePLAIN W/MOUNTING HOLE
receptacle_width0.500 INCHES NOMINAL IN
receptacle_height0.175 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
receptacle_overall_length1.000 INCHES NOMINAL IN
turnlock_receptacle_styleRECEPTACLE
turnlock_mounting_hole_diameter0.098 INCHES NOMINAL IN
material_document_and_classificationQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
center_to_center_distance_between_mounting_holes0.750 INCHES NOMINAL IN
NSN5325-00-202-2050
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21187-00186 · 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 WIDTH: 0.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MOUNTING STYLE: PLAIN W/MOUNTING HOLE
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES: 0.750 INCHES NOMINAL IN
•
RECEPTACLE OVERALL LENGTH: 1.000 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
MATERIAL: STEEL COMP 1020 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
RECEPTACLE WIDTH0.500 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MOUNTING STYLEPLAIN W/MOUNTING HOLE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES0.750 INCHES NOMINAL IN
RECEPTACLE OVERALL LENGTH1.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
MATERIALSTEEL COMP 1020 OVERALL
TURNLOCK MOUNTING HOLE DIAMETER0.098 INCHES NOMINAL IN
RECEPTACLE HEIGHT0.175 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
VBE61-15Interchangeable
interchangeable cross-reference
interchangeable
UG260UInterchangeable
interchangeable cross-reference
interchangeable
112-1675Interchangeable
interchangeable cross-reference
interchangeable
AND10133-1003Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
31212Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21187-00186?
21187-00186 is a RECEPTACLE,TURNLOCK FASTENER.
What parts can replace 21187-00186?
There are 21 known substitutes for 21187-00186: VBE61-15, UG260U, 112-1675 and 18 more. Substitute compatibility should be verified for your specific system.
Is 21187-00186 still available?
21187-00186 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026