PartsTable
Technical Data Sheet
18245 ✓ Verified by PartsTable
Trefl · MRO · MRO_GENERAL
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 OSCILLATOR,CRYSTAL CONTROLLED is a Trefl industrial component. Key specifications include head_style: FLAT COUNTERSUNK, design_type: VERTICAL TANK, thread_class: 2A A, head_diameter: 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN, mounting_type: WHEEL, thread_length: 0.262 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-059-4552, 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
MRO MRO_GENERAL 18245
NSN: 5305-00-059-4552
FSC: 5305
CAGE: 73734 — FEDERAL SCREW PRODUCTS, INC. (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
design_typeVERTICAL TANK
thread_class2A A
head_diameter0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
mounting_typeWHEEL
thread_length0.262 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
screw_materialSTEEL COMP 1011 OR STEEL COMP 1013 OR STEEL COMP 1010
separator_typeINCLOSED
fastener_length0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
operation_methodNONELECTRICAL
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
NSN5305-00-059-4552
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 18245 · Trefl ⚠ 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 STYLE: FLAT COUNTERSUNK
COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH: 0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
SCREW MATERIAL: STEEL COMP 1011 OR STEEL COMP 1013 OR STEEL COMP 1010
THREAD QUANTITY PER INCH: 32
THREAD CLASS: 2A A
HEAD DIAMETER: 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEFLAT COUNTERSUNK
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
SCREW MATERIALSTEEL COMP 1011 OR STEEL COMP 1013 OR STEEL COMP 1010
THREAD QUANTITY PER INCH32
THREAD CLASS2A A
HEAD DIAMETER0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 2C STYLE
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
1824-5Interchangeable
interchangeable cross-reference
interchangeable
26816Interchangeable
interchangeable cross-reference
interchangeable
6540NCM116897Interchangeable
interchangeable cross-reference
interchangeable
7910NCM104706Interchangeable
interchangeable cross-reference
interchangeable
C81415-01Interchangeable
interchangeable cross-reference
interchangeable
855222-00Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18245?
18245 is a OSCILLATOR,CRYSTAL CONTROLLED manufactured by Trefl. It is classified as a MRO (MRO_GENERAL).
What parts can replace 18245?
There are 13 known substitutes for 18245: 1824-5, 26816, 6540NCM116897 and 10 more. Substitute compatibility should be verified for your specific system.
Is 18245 still available?
18245 is currently cancelled.
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