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TS170 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.077 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN, thread_length: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, screw_material: STEEL COMP 303. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-322-4497, 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
TS170
NSN: 5305-00-322-4497
FSC: 5305
CAGE: 30040 — TELECTRO SYSTEMS CORP
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.077 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
thread_length0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
screw_materialSTEEL COMP 303
fastener_length0.578 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.138 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-322-4497
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: TS170 · 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 DIAMETER: 0.077 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 0.578 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
•
INTERNAL DRIVE STYLE: SLOT
•
HEAD HEIGHT: 0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.077 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.578 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
INTERNAL DRIVE STYLESLOT
HEAD HEIGHT0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
THREAD LENGTH0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
4411Interchangeable
interchangeable cross-reference
interchangeable
72-072-00Interchangeable
interchangeable cross-reference
interchangeable
10P1553Interchangeable
interchangeable cross-reference
interchangeable
CA143B16438Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TS170?
TS170 is a SCREW,MACHINE.
What parts can replace TS170?
There are 4 known substitutes for TS170: 4411, 72-072-00, 10P1553 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TS170?
TS170 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-322-4497. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026