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Technical Data Sheet
PartsTable / COMPONENT / 54B6811H16
54B6811H16 ✓ 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 OVERALL, mounting_style: COUNTERSUNK, receptacle_width: 0.500 INCHES NOMINAL IN, receptacle_height: 0.500 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, countersink_angle_in_deg: 100.000. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-684-9439, 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
54B6811H16
NSN: 5325-00-684-9439
FSC: 5325
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
mounting_styleCOUNTERSUNK
receptacle_width0.500 INCHES NOMINAL IN
receptacle_height0.500 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
countersink_angle_in_deg100.000
receptacle_overall_length1.000 INCHES NOMINAL IN
turnlock_receptacle_styleRECEPTACLE
turnlock_mounting_hole_diameter0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
center_to_center_distance_between_mounting_holes0.750 INCHES NOMINAL IN
NSN5325-00-684-9439
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 54B6811H16 · 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
•
MATERIAL: STEEL OVERALL
•
RECEPTACLE HEIGHT: 0.500 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES: 0.750 INCHES NOMINAL IN
•
MOUNTING STYLE: COUNTERSUNK
•
RECEPTACLE WIDTH: 0.500 INCHES NOMINAL IN
•
RECEPTACLE OVERALL LENGTH: 1.000 INCHES NOMINAL IN
•
TURNLOCK MOUNTING HOLE DIAMETER: 0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
•
TURNLOCK RECEPTACLE STYLE: RECEPTACLE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
RECEPTACLE HEIGHT0.500 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES0.750 INCHES NOMINAL IN
MOUNTING STYLECOUNTERSUNK
RECEPTACLE WIDTH0.500 INCHES NOMINAL IN
RECEPTACLE OVERALL LENGTH1.000 INCHES NOMINAL IN
TURNLOCK MOUNTING HOLE DIAMETER0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
TURNLOCK RECEPTACLE STYLERECEPTACLE
SURFACE TREATMENTPASSIVATE OVERALL
COUNTERSINK ANGLE IN DEG100.000
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
04052333001588Interchangeable
interchangeable cross-reference
interchangeable
04052333006439Interchangeable
interchangeable cross-reference
interchangeable
GR521A12CInterchangeable
interchangeable cross-reference
interchangeable
5053T97P112Interchangeable
interchangeable cross-reference
interchangeable
5340PL1524920Interchangeable
interchangeable cross-reference
interchangeable
5053T97Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54B6811H16?
54B6811H16 is a RECEPTACLE,TURNLOCK FASTENER.
What parts can replace 54B6811H16?
There are 10 known substitutes for 54B6811H16: 04052333001588, 04052333006439, GR521A12C and 7 more. Substitute compatibility should be verified for your specific system.
Is 54B6811H16 still available?
54B6811H16 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