PartsTable
Technical Data Sheet
Download PDF

MIL271120 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MIL271120: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.120 INCHES NOMINAL IN, head_diameter: 0.179 INCHES NOMINAL IN, screw_material: STEEL, thread_direction: RIGHT-HAND, width_between_flats: 0.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-667-8515, 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
MIL271120
NSN: 5305-01-667-8515
FSC: 5305 — Screws
CAGE: 3WRY5 — AIRGAS USA, LLC (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.120 INCHES NOMINAL IN
head_diameter0.179 INCHES NOMINAL IN
screw_materialSTEEL
thread_directionRIGHT-HAND
width_between_flats0.312 INCHES NOMINAL IN
screw_surface_treatmentZINC
thread_quantity_per_inch0.190
thread_series_designatorUNF
part_name_assigned_by_controlling_agencySCREW, MACHINE
NSN5305-01-667-8515
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MIL271120 · 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: 0.120 INCHES NOMINAL IN
•
SCREW SURFACE TREATMENT: ZINC
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.312 INCHES NOMINAL IN
•
SCREW MATERIAL: STEEL
•
THREAD QUANTITY PER INCH: 0.190
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.120 INCHES NOMINAL IN
SCREW SURFACE TREATMENTZINC
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL IN
SCREW MATERIALSTEEL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, MACHINE
THREAD QUANTITY PER INCH0.190
THREAD SERIES DESIGNATORUNF
HEAD DIAMETER0.179 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 1
271120Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy MIL271120?
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 MIL271120?
MIL271120 is a SCREW,MACHINE.
What parts can replace MIL271120?
There is 1 known substitute for MIL271120: 271120. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL271120?
MIL271120 is cataloged in the U.S. Government catalog under NSN 5305-01-667-8515. 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 — MIL271120

✓ 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.