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PartsTable / COMPONENT / AN174-14
AN174-14 ✓ 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,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, grip_length: 1.049 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN, thread_length: 0.437 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-292-8261, 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
AN174-14
NSN: 5306-00-292-8261
FSC: 5306
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 4130 OVERALL
head_styleHEXAGON
grip_length1.049 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN
head_height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN
thread_length0.437 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES GRIP
fastener_length1.515 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
NSN5306-00-292-8261
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN174-14 · 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
•
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER: 1.358 INCHES MINIMUM AND 1.390 INCHES MAXIMUM FIRST HOLE IN
•
GRIP DIAMETER: 0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN
•
HEAD STYLE: HEXAGON
•
HEAD HEIGHT: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.070 INCHES NOMINAL FIRST HOLE IN
•
THREAD SERIES DESIGNATOR: UNF
•
FASTENER LENGTH: 1.515 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.358 INCHES MINIMUM AND 1.390 INCHES MAXIMUM FIRST HOLE IN
GRIP DIAMETER0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER0.070 INCHES NOMINAL FIRST HOLE IN
THREAD SERIES DESIGNATORUNF
FASTENER LENGTH1.515 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
8414Upgraded Successor
successor cross-reference
successor
JANB18Interchangeable
interchangeable cross-reference
interchangeable
BA414UInterchangeable
interchangeable cross-reference
interchangeable
502KInterchangeable
interchangeable cross-reference
interchangeable
725Interchangeable
interchangeable cross-reference
interchangeable
26ARInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN174-14?
AN174-14 is a BOLT,CLOSE TOLERANCE.
What parts can replace AN174-14?
There are 17 known substitutes for AN174-14: 8414, JANB18, BA414U and 14 more. Substitute compatibility should be verified for your specific system.
Is AN174-14 still available?
AN174-14 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026