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Technical Data Sheet
PartsTable / COMPONENT / 116-3-161
116-3-161 ✓ 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 BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 303 OVERALL, head_style: HEXAGON, head_height: 0.165 INCHES NOMINAL IN, thread_class: 3A A, hole_diameter: 0.051 INCHES NOMINAL IN, fastener_length: 0.970 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 5306-01-053-7635, 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
116-3-161
NSN: 5306-01-053-7635
FSC: 5306
CAGE: 55820 — RTX CORPORATION DIV PRATT & WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 303 OVERALL
head_styleHEXAGON
head_height0.165 INCHES NOMINAL IN
thread_class3A A
hole_diameter0.051 INCHES NOMINAL IN
fastener_length0.970 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.688 INCHES NOMINAL IN
nominal_thread_diameter0.438 INCHES IN
hole_configuration_styleHEXAGON FLATS
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-01-053-7635
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 116-3-161 · 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
•
HOLE CONFIGURATION STYLE: HEXAGON FLATS
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: STEEL COMP 302 OR STEEL COMP 303 OVERALL
•
THREAD QUANTITY PER INCH: 20
•
FASTENER LENGTH: 0.970 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
HOLE DIAMETER: 0.051 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE CONFIGURATION STYLEHEXAGON FLATS
NOMINAL THREAD DIAMETER0.438 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OVERALL
THREAD QUANTITY PER INCH20
FASTENER LENGTH0.970 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
HOLE DIAMETER0.051 INCHES NOMINAL IN
THREAD CLASS3A A
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
116316-1Upgraded Successor
successor cross-reference
successor
116316Upgraded Successor
successor cross-reference
successor
B47432Interchangeable
interchangeable cross-reference
interchangeable
D328Interchangeable
interchangeable cross-reference
interchangeable
7747-06Interchangeable
interchangeable cross-reference
interchangeable
142-6-12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 116-3-161?
116-3-161 is a BOLT,EXTERNALLY RELIEVED BODY.
What parts can replace 116-3-161?
There are 10 known substitutes for 116-3-161: 116316-1, 116316, B47432 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 116-3-161?
116-3-161 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-053-7635. 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