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PartsTable / COMPONENT / R72PC31
R72PC31 ✓ 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 material: NICKEL ALLOY 400 OVERALL, head_style: HEADLESS (SETSCREW), point_style: CUP, thread_class: 2A A, thread_length: 0.375 INCHES MINIMUM IN, fastener_length: 0.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-468-9968, 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
R72PC31
NSN: 5305-00-468-9968
FSC: 5305
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
head_styleHEADLESS (SETSCREW)
point_styleCUP
thread_class2A A
thread_length0.375 INCHES MINIMUM IN
fastener_length0.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-468-9968
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: R72PC31 · 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
•
WIDTH ACROSS FLATS: 0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
NONDEFINITIVE SPEC/STD DATA: G TYPE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: NICKEL ALLOY 400 OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH24
WIDTH ACROSS FLATS0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
HEAD STYLEHEADLESS (SETSCREW)
NONDEFINITIVE SPEC/STD DATAG TYPE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 400 OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.375 INCHES NOMINAL IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
MILS933TYPEGInterchangeable
interchangeable cross-reference
interchangeable
RR21Interchangeable
interchangeable cross-reference
interchangeable
AES32U312312UG6A11Interchangeable
interchangeable cross-reference
interchangeable
4061-2585Interchangeable
interchangeable cross-reference
interchangeable
3128786PC26Interchangeable
interchangeable cross-reference
interchangeable
563-4105-938325PCSP18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R72PC31?
R72PC31 is a SETSCREW.
What parts can replace R72PC31?
There are 15 known substitutes for R72PC31: MILS933TYPEG, RR21, AES32U312312UG6A11 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R72PC31?
R72PC31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-468-9968. 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