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PartsTable / COMPONENT / 55D32
55D32 ✓ 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 SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.359 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_length: 0.884 INCHES MINIMUM IN, screw_material: STEEL, fastener_length: 1.000 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 5305-00-151-3369, 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
55D32
NSN: 5305-00-151-3369
FSC: 5305
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.359 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_length0.884 INCHES MINIMUM IN
screw_materialSTEEL
fastener_length1.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_styleSLOT
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentCADMIUM
minimum_tensile_strength60000 POUNDS PER SQUARE INCH LBS
NSN5305-00-151-3369
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 55D32 · 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
•
COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD QUANTITY PER INCH: 32
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2S STYLE
•
THREAD LENGTH: 0.884 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
INTERNAL DRIVE STYLESLOT
THREAD QUANTITY PER INCH32
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2S STYLE
THREAD LENGTH0.884 INCHES MINIMUM IN
SCREW SURFACE TREATMENTCADMIUM
HEAD STYLEFLAT COUNTERSUNK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
5137HAInterchangeable
interchangeable cross-reference
interchangeable
X419Interchangeable
interchangeable cross-reference
interchangeable
419Interchangeable
interchangeable cross-reference
interchangeable
100753Interchangeable
interchangeable cross-reference
interchangeable
T8S8-12Interchangeable
interchangeable cross-reference
interchangeable
0900555Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55D32?
55D32 is a SCREW,MACHINE.
What parts can replace 55D32?
There are 19 known substitutes for 55D32: 5137HA, X419, 419 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55D32?
55D32 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-151-3369. 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