PartsTable
Technical Data Sheet
Download PDF

0170571 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

0170571: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_height: 0.113 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN, thread_class: 2A A, screw_material: STEEL CORROSION RESISTING, thread_direction: RIGHT-HAND, end_item_identification: ERMP SYSTEMS (EXTENDED RANGE MULTIPURPOSE), thread_series_designator: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-681-3887, 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
0170571
NSN: 5305-01-681-3887
FSC: 5305 — Screws
CAGE: 1UJK6 — FASTENAL COMPANY (USA)
SPECIFICATIONS
head_height0.113 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
thread_class2A A
screw_materialSTEEL CORROSION RESISTING
thread_directionRIGHT-HAND
end_item_identificationERMP SYSTEMS (EXTENDED RANGE MULTIPURPOSE)
thread_series_designatorUNF
NSN5305-01-681-3887
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0170571 · 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: 0.113 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
THREAD CLASS: 2A A
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.113 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL CORROSION RESISTING
THREAD CLASS2A A
END ITEM IDENTIFICATIONERMP SYSTEMS (EXTENDED RANGE MULTIPURPOSE)
THREAD SERIES DESIGNATORUNF
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 0170571?
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 0170571?
0170571 is a SCREW,MACHINE.
What is the NSN for 0170571?
0170571 is cataloged in the U.S. Government catalog under NSN 5305-01-681-3887. 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 — 0170571

✓ 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.