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PartsTable / COMPONENT / 15A91
15A91 ✓ 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 SCREW,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include head_style: PAN NO. 2, head_height: 0.061 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.217 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN, thread_length: 0.250 INCHES NOMINAL IN, fastener_length: 0.250 INCHES NOMINAL IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-423-5116, 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
15A91
NSN: 5305-00-423-5116
FSC: 5305
CAGE: 96152 — BORG-WARNER CORP MARVEL-SCHEBLER/TILLOTSON DIV (USA)
SPECIFICATIONS
head_stylePAN NO. 2
head_height0.061 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.217 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN
thread_length0.250 INCHES NOMINAL IN
fastener_length0.250 INCHES NOMINAL IN
washer_quantity1
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
thread_quantity_per_inch40
NSN5305-00-423-5116
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 15A91 · 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: 40
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
WASHER QUANTITY: 1
•
HEAD DIAMETER: 0.217 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
THREAD CLASS: 2A A
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH40
SURFACE TREATMENTCADMIUM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WASHER QUANTITY1
HEAD DIAMETER0.217 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
THREAD CLASS2A A
INTERNAL DRIVE STYLESLOT
FASTENER LENGTH0.250 INCHES NOMINAL IN
PRIMARY WASHER OUTSIDE DIAMETER0.244 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
9213Interchangeable
interchangeable cross-reference
interchangeable
85632-2Interchangeable
interchangeable cross-reference
interchangeable
15-8Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15A91?
15A91 is a SCREW,ASSEMBLED WASHER.
What parts can replace 15A91?
There are 3 known substitutes for 15A91: 9213, 85632-2, 15-8. Substitute compatibility should be verified for your specific system.
Is 15A91 still available?
15A91 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