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Technical Data Sheet
PartsTable / COMPONENT / 33-198
33-198 ✓ 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 KEY SET,SOCKET HEAD SCREW is a the manufacturer industrial component. Key specifications include handle_type: TEE, container_type: BAG, overall_length: 9.000 INCHES NOMINAL IN, special_features: LOOPED HANDLES, key_characteristic: CONTAINS HEX KEYS SIZE 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32 AND 1/4 IN. IN, specification/standard_data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-370-0922, 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
33-198
NSN: 5305-00-370-0922
FSC: 5305
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
handle_typeTEE
key_quantity8
container_typeBAG
overall_length9.000 INCHES NOMINAL IN
special_featuresLOOPED HANDLES
key_characteristicCONTAINS HEX KEYS SIZE 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32 AND 1/4 IN. IN
specification/standard_data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5305-00-370-0922
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 33-198 · 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
•
THREAD LENGTH: 0.312 INCHES MINIMUM IN
•
HEAD STYLE: FLAT CHAMFER
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD DIAMETER: 0.219 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD HEIGHT: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH40
THREAD LENGTH0.312 INCHES MINIMUM IN
HEAD STYLEFLAT CHAMFER
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD DIAMETER0.219 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF
THREAD DIRECTIONRIGHT-HAND
HEAD HEIGHT0.062 INCHES NOMINAL IN
THREAD CLASS2A A
SCREW SURFACE TREATMENTNICKEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
2D0599Interchangeable
interchangeable cross-reference
interchangeable
2D599Interchangeable
interchangeable cross-reference
interchangeable
151657Interchangeable
interchangeable cross-reference
interchangeable
85434Interchangeable
interchangeable cross-reference
interchangeable
302105Interchangeable
interchangeable cross-reference
interchangeable
MIS17328-3-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 33-198?
33-198 is a KEY SET,SOCKET HEAD SCREW.
What parts can replace 33-198?
There are 17 known substitutes for 33-198: 2D0599, 2D599, 151657 and 14 more. Substitute compatibility should be verified for your specific system.
Is 33-198 still available?
33-198 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