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WS-5144 PC 186 — BOLT,ASSEMBLED SLEEVE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

WS-5144 PC 186: BOLT,ASSEMBLED SLEEVE.

The BOLT,ASSEMBLED SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGONHEXAGON, head_height: 4.500 INCHES NOMINAL4.500 INCHES NOMINAL IN, width_between_flats: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN, thread_quantity_per_inch: 77, material_document_and_classification: MIL-B-857 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-465-9671, 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
WS-5144 PC 186
NSN: 5306-01-465-9671
FSC: 5306 — Bolts
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGONHEXAGON
head_height4.500 INCHES NOMINAL4.500 INCHES NOMINAL IN
width_between_flats1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
thread_quantity_per_inch77
material_document_and_classificationMIL-B-857 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5306-01-465-9671
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: WS-5144 PC 186 · 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: 4.500 INCHES NOMINAL4.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-857 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HEAD STYLE: HEXAGONHEXAGON
•
WIDTH BETWEEN FLATS: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 77
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT4.500 INCHES NOMINAL4.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-857 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEHEXAGONHEXAGON
WIDTH BETWEEN FLATS1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
THREAD QUANTITY PER INCH77
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
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 WS-5144 PC 186?
WS-5144 PC 186 is a BOLT,ASSEMBLED SLEEVE.
What is the NSN for WS-5144 PC 186?
WS-5144 PC 186 is cataloged in the U.S. Government catalog under NSN 5306-01-465-9671. 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.