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Technical Data Sheet
PartsTable / COMPONENT / NS61
NS61 ✓ 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 SETSCREW is a the manufacturer industrial component. Key specifications include shape: ROUND, material: NICKEL ALLOY OVERALL, head_style: HEADLESS (SETSCREW), point_style: DOG, point_length: 0.438 INCHES NOMINAL IN, thread_class: 2A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-333-1228, 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
NS61
NSN: 5305-00-333-1228
FSC: 5305
CAGE: 78330 — SLOAN VALVE COMPANY (USA)
SPECIFICATIONS
shapeROUND
materialNICKEL ALLOY OVERALL
head_styleHEADLESS (SETSCREW)
point_styleDOG
point_length0.438 INCHES NOMINAL IN
thread_class2A A
thread_length1.250 INCHES NOMINAL IN
overall_length1.500 INCHES NOMINAL IN
point_diameter0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
fastener_length0.562 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_pressure_rating6.000 POUNDS NOMINAL LBS
NSN5305-00-333-1228
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NS61 · 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 QUANTITY PER INCH: 24
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: NICKEL ALLOY OVERALL
•
THREAD CLASS: 2A A
•
POINT LENGTH: 0.438 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH24
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
MATERIALNICKEL ALLOY OVERALL
THREAD CLASS2A A
POINT LENGTH0.438 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF
POINT STYLEDOG
POINT DIAMETER0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
PSL50NInterchangeable
interchangeable cross-reference
interchangeable
P500SInterchangeable
interchangeable cross-reference
interchangeable
NS61Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NS61?
NS61 is a SETSCREW.
What parts can replace NS61?
There are 3 known substitutes for NS61: PSL50N, P500S, NS61. Substitute compatibility should be verified for your specific system.
What is the NSN for NS61?
NS61 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-333-1228. 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