PartsTable
Technical Data Sheet
AN315-7R ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.312 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF, 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 5310-00-167-1347, 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
AN315-7R
NSN: 5310-00-167-1347
FSC: 5310
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.312 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
countersink_angle110.0 DEGREES NOMINAL FIRST END
surface_treatmentCADMIUM OR CHROMATE OVERALL
width_across_flats0.614 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
nominal_thread_size0.438 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch20
NSN5310-00-167-1347
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AN315-7R · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
NUT HEIGHT: 0.328 INCHES NOMINAL IN
THREAD QUANTITY PER INCH: 20
THREAD SERIES: UNF
NOMINAL THREAD SIZE: 0.438 INCHES IN
NUT STYLE: HEXAGON
THREAD CLASS: 3B
WIDTH ACROSS FLATS: 0.614 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
COUNTERSINK ANGLE: 110.0 DEGREES NOMINAL NUT
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.328 INCHES NOMINAL IN
THREAD QUANTITY PER INCH20
THREAD SERIESUNF
NOMINAL THREAD SIZE0.438 INCHES IN
NUT STYLEHEXAGON
THREAD CLASS3B
WIDTH ACROSS FLATS0.614 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
3X92Interchangeable
interchangeable cross-reference
interchangeable
243701Interchangeable
interchangeable cross-reference
interchangeable
181491Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
150 56Interchangeable
interchangeable cross-reference
interchangeable
13390Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN315-7R?
AN315-7R is a NUT,PLAIN,HEXAGON.
What parts can replace AN315-7R?
There are 15 known substitutes for AN315-7R: 3X92, 243701, 181491 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN315-7R?
AN315-7R is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-167-1347. This indicates validated use in U.S. government and defense supply chains.
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