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P186-16 — RETAINER,DISK,VALVE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

P186-16: RETAINER,DISK,VALVE.

The RETAINER,DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416F OVERALL, head_style: HEXAGON, head_height: 0.125 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.240 INCHES MINIMUM IN, fastener_length: 0.656 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-147-9524, 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
P186-16
NSN: 5305-00-147-9524
NIINs: 001479524, 013292480
FSC: 5305 — Screws
CAGE: 65702 — PRECISION AIRMOTIVE LLC DBA PRECISION AIRMOTIVE (USA)
SPECIFICATIONS
materialSTEEL COMP 416F OVERALL
head_styleHEXAGON
head_height0.125 INCHES NOMINAL IN
thread_class3A A
thread_length0.240 INCHES MINIMUM IN
fastener_length0.656 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
special_featuresBRONZE
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.312 INCHES NOMINAL IN
internal_drive_styleSLOT
NSN5305-00-147-9524
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: P186-16 · 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
•
HEAD HEIGHT: 0.125 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.656 INCHES NOMINAL IN
•
THREAD LENGTH: 0.240 INCHES MINIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.055 INCHES NOMINAL FIRST HOLE IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.125 INCHES NOMINAL IN
FASTENER LENGTH0.656 INCHES NOMINAL IN
THREAD LENGTH0.240 INCHES MINIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.055 INCHES NOMINAL FIRST HOLE IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 P186-16?
P186-16 is a RETAINER,DISK,VALVE.
What is the NSN for P186-16?
P186-16 is cataloged in the U.S. Government catalog under NSN 5305-00-147-9524. 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.