PartsTable
Technical Data Sheet
PartsTable / MRO / 1033A
1033A ✓ Verified by PartsTable
— · 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

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include material: STEEL OVERALL, head_style: HEADLESS (SETSCREW), shaft_type: ROUND SINGLE ACTUATOR, point_style: OVAL, shaft_length: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2B SINGLE MOUNTING FACILITY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-013-8625, 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→ 1033A
NSN: 5305-00-013-8625
FSC: 5305
CAGE: 71594 — CENTRAL FIBRE PRODUCTS CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEADLESS (SETSCREW)
shaft_typeROUND SINGLE ACTUATOR
point_styleOVAL
shaft_length0.250 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2B SINGLE MOUNTING FACILITY
overall_width2.751 INCHES NOMINAL IN
pole_quantity1 EACH SECTION FRONT
terminal_typeTAB W/SCREW
thread_length0.500 INCHES NOMINAL IN
overall_height2.751 INCHES NOMINAL IN
overall_length4.094 INCHES NOMINAL IN
NSN5305-00-013-8625
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1033A · 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 STYLE: HEADLESS (SETSCREW)
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL: STEEL COMP 3135 OR STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 AMEND 2 FS FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
POINT STYLE: OVAL
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEADLESS (SETSCREW)
THREAD QUANTITY PER INCH20
MATERIALSTEEL COMP 3135 OR STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
THREAD DIRECTIONRIGHT-HAND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 AMEND 2 FS FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD LENGTH0.500 INCHES NOMINAL IN
FASTENER LENGTH0.500 INCHES NOMINAL IN
POINT STYLEOVAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 3 STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
1033AInterchangeable
interchangeable cross-reference
interchangeable
S2830Interchangeable
interchangeable cross-reference
interchangeable
26-139Interchangeable
interchangeable cross-reference
interchangeable
B107.6Interchangeable
interchangeable cross-reference
interchangeable
103302AInterchangeable
interchangeable cross-reference
interchangeable
138625Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1033A?
1033A is a SWITCH,RADIO FREQUENCY TRANSMISS. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1033A?
There are 7 known substitutes for 1033A: 1033A, S2830, 26-139 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1033A?
1033A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-013-8625. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026