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18159 — OSCILLATOR,CRYSTAL COMTROLLED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

18159: OSCILLATOR,CRYSTAL COMTROLLED.

The OSCILLATOR,CRYSTAL COMTROLLED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_width: 1.800 INCHES NOMINAL IN, head_style: HEXAGON, body_height: 1.200 INCHES NOMINAL IN, body_length: 1.500 INCHES NOMINAL IN, head_height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-018-1059, 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
18159
NSN: 5305-00-018-1059
NIINs: 000181059, 002105210, 003840883, 004661543, 009099951, 011902392, 012185568
FSC: 5305 — Screws
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width1.800 INCHES NOMINAL IN
head_styleHEXAGON
body_height1.200 INCHES NOMINAL IN
body_length1.500 INCHES NOMINAL IN
head_height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
thread_class2A A
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
thread_length0.500 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
fastener_length0.500 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
NSN5305-00-018-1059
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 18159 · 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
•
HEAD HEIGHT: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
FASTENER LENGTH0.500 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES NOMINAL IN
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
SURFACE TREATMENTPHOSPHATE OVERALL
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH LBS
SUBSTITUTES & CROSS-REFERENCES 6
181059Reference document
Same NSN cross-reference
Reference document — Secondary reference
120717HReference document
Same NSN cross-reference
Reference document — Secondary reference
MS35299-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FFS85TYPE2STYLE10PGRADE5Reference document
Same NSN cross-reference
Reference document — Identification reference
XDA3Reference document
Same NSN cross-reference
Reference document — Secondary reference
89866Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 18159?
18159 is a OSCILLATOR,CRYSTAL COMTROLLED.
What parts can replace 18159?
There are 6 known substitutes for 18159: 181059, 120717H, MS35299-3 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18159?
18159 is cataloged in the U.S. Government catalog under NSN 5305-00-018-1059. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.