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Technical Data Sheet
PartsTable / MRO / 553159
553159 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: STEEL OVERALL, body_style: CYLINDRICAL SERVO MOUNTED, head_style: FLAT CHAMFER, body_length: 1.250 INCHES NOMINAL IN, head_height: 0.312 INCHES NOMINAL IN, shaft_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-088-1053, 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→ 553159
NSN: 5305-00-088-1053
FSC: 5305
CAGE: 1UVT5 — BRP US INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleCYLINDRICAL SERVO MOUNTED
head_styleFLAT CHAMFER
body_length1.250 INCHES NOMINAL IN
head_height0.312 INCHES NOMINAL IN
shaft_styleROUND
bearing_typeBALL SHAFT
pilot_length0.1000 INCHES NOMINAL IN
shaft_length1.000 INCHES NOMINAL IN
thread_class2A A
actuator_typeSINGLE SHAFT
body_diameter3.000 INCHES NOMINAL IN
NSN5305-00-088-1053
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 553159 · 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 LENGTH: 1.000 INCHES MINIMUM IN
•
HEAD DIAMETER: 0.437 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 24
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
FASTENER LENGTH: 2.750 INCHES NOMINAL IN
•
HEAD STYLE: FLAT CHAMFER
•
WIDTH ACROSS FLATS: 0.218 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH1.000 INCHES MINIMUM IN
HEAD DIAMETER0.437 INCHES NOMINAL IN
THREAD QUANTITY PER INCH24
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
FASTENER LENGTH2.750 INCHES NOMINAL IN
HEAD STYLEFLAT CHAMFER
WIDTH ACROSS FLATS0.218 INCHES NOMINAL IN
HEAD HEIGHT0.312 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
81421Interchangeable
interchangeable cross-reference
interchangeable
RVP3S55Interchangeable
interchangeable cross-reference
interchangeable
FF-S-86EInterchangeable
Same NIIN cross-reference
interchangeable
MS16988 MOD 5/16D X 2.75 LGInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 553159?
553159 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 553159?
There are 4 known substitutes for 553159: 81421, RVP3S55, FF-S-86E and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 553159?
553159 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-088-1053. 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