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Technical Data Sheet
PartsTable / COMPONENT / 10RT20
10RT20 ✓ 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,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.399 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, fastener_length: 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-081-5441, 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
10RT20
NSN: 5305-01-081-5441
FSC: 5305
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
thread_class3A A
thread_length0.399 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
fastener_length0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
thread_series_designatorUNF
NSN5305-01-081-5441
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10RT20 · 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
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 28
•
FASTENER LENGTH: 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD LENGTH: 0.399 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
HEAD STYLE: HEXAGON
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A A
THREAD QUANTITY PER INCH28
FASTENER LENGTH0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.399 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD HEIGHT0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
15826Interchangeable
interchangeable cross-reference
interchangeable
595Interchangeable
interchangeable cross-reference
interchangeable
5263Interchangeable
interchangeable cross-reference
interchangeable
1913Interchangeable
interchangeable cross-reference
interchangeable
A-A-20124Interchangeable
interchangeable cross-reference
interchangeable
TABLE SYRUPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10RT20?
10RT20 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 10RT20?
There are 8 known substitutes for 10RT20: 15826, 595, 5263 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10RT20?
10RT20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-081-5441. 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