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Technical Data Sheet
PartsTable / COMPONENT / 409-45
409-45 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include color: CLEAR, material: PLASTIC, thickness: 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN, head_style: BUTTON, body_height: 2.500 INCHES MAXIMUM IN, head_height: 0.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-156-2700, 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
409-45
NSN: 5306-00-156-2700
FSC: 5306
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
colorCLEAR
materialPLASTIC
thickness0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
head_styleBUTTON
body_height2.500 INCHES MAXIMUM IN
head_height0.125 INCHES NOMINAL IN
thread_class3A A
head_diameter0.500 INCHES NOMINAL IN
hole_diameter0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
overall_width1.250 INCHES MAXIMUM IN
physical_formPASTE
thread_length0.225 INCHES MINIMUM IN
NSN5306-00-156-2700
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 409-45 · 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 CLASS: 3A A
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
•
MATERIAL: STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER: 0.860 INCHES MINIMUM AND 0.892 INCHES MAXIMUM FIRST HOLE IN
•
THREAD SERIES DESIGNATOR: UNF
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A A
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
MATERIALSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.860 INCHES MINIMUM AND 0.892 INCHES MAXIMUM FIRST HOLE IN
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD LENGTH0.225 INCHES MINIMUM IN
INTERNAL DRIVE STYLESLOT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
40945Interchangeable
interchangeable cross-reference
interchangeable
PEI 6605Interchangeable
interchangeable cross-reference
interchangeable
152712Interchangeable
interchangeable cross-reference
interchangeable
11080Interchangeable
interchangeable cross-reference
interchangeable
400703Interchangeable
interchangeable cross-reference
interchangeable
4094500000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 409-45?
409-45 is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace 409-45?
There are 13 known substitutes for 409-45: 40945, PEI 6605, 152712 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 409-45?
409-45 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-156-2700. 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