PartsTable
Technical Data Sheet
NAS220-18 ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.309 INCHES MINIMUM AND 0.331 INCHES MAXIMUM IN, thread_length: 0.345 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN, screw_material: STEEL COMP 8630. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-282-6232, 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
NAS220-18
NSN: 5305-00-282-6232
FSC: 5305
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
head_styleROUND
head_height0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.309 INCHES MINIMUM AND 0.331 INCHES MAXIMUM IN
thread_length0.345 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
screw_materialSTEEL COMP 8630
fastener_length1.141 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentCADMIUM
NSN5305-00-282-6232
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NAS220-18 · 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
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
HEAD STYLE: ROUND
FASTENER LENGTH: 1.141 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
HEAD HEIGHT: 0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS (FLIS)
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
HEAD STYLEROUND
FASTENER LENGTH1.141 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
HEAD HEIGHT0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
NOMINAL THREAD DIAMETER0.164 INCHES IN
THREAD CLASS3A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
22018Interchangeable
interchangeable cross-reference
interchangeable
578R696H05Interchangeable
interchangeable cross-reference
interchangeable
F-.625-14-JSSInterchangeable
interchangeable cross-reference
interchangeable
1026887-18Interchangeable
interchangeable cross-reference
interchangeable
MILT55164Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS220-18?
NAS220-18 is a SCREW,MACHINE.
What parts can replace NAS220-18?
There are 5 known substitutes for NAS220-18: 22018, 578R696H05, F-.625-14-JSS and 2 more. Substitute compatibility should be verified for your specific system.
Is NAS220-18 still available?
NAS220-18 is currently cancelled.
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