PartsTable
Technical Data Sheet
Download PDF

181427 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

181427: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include special_features: 0.087 LBS, 0.50-20 X1 LG LBS, part_name_assigned_by_controlling_agency: BOLT. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-147-8137, 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
181427
NSN: 5305-01-147-8137
NIINs: 011478137, 016495641
FSC: 5305 — Screws
CAGE: 55380 — HATCH & KIRK, INC. (USA)
SPECIFICATIONS
special_features0.087 LBS, 0.50-20 X1 LG LBS
part_name_assigned_by_controlling_agencyBOLT
NSN5305-01-147-8137
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 181427 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD HEIGHT: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
NONMACHINE THREAD STYLE: DOUBLE FLUTE (TYPE F)
•
HEAD STYLE: HEXAGON
•
WIDTH BETWEEN FLATS: 0.638 INCHES NOMINAL IN
•
INTERNAL DRIVE STYLE: W/O INTERNAL DRIVE
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
NONMACHINE THREAD STYLEDOUBLE FLUTE (TYPE F)
HEAD STYLEHEXAGON
WIDTH BETWEEN FLATS0.638 INCHES NOMINAL IN
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
END ITEM IDENTIFICATIONLOGISTGICS SUPPORT VESSEL
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
Ready to buy 181427?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 181427?
181427 is a BOLT,MACHINE.
What is the NSN for 181427?
181427 is cataloged in the U.S. Government catalog under NSN 5305-01-147-8137. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 181427

✓ 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.