PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 20&55
20&55 ✓ 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 20&55 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-043-0441, 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
20&55
NSN: 5305-00-043-0441
FSC: 5305
CAGE: 31211 — MOTOROLA AUTOMOTIVE ELECTRONICS (USA)
SPECIFICATIONS
Part Number20&55
NSN5305-00-043-0441
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20&55 · 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 HEIGHT: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNF
•
WIDTH BETWEEN FLATS: 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 10P STYLE
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNF
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE
THREAD LENGTH1.000 INCHES MINIMUM IN
THREAD CLASS2A A
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
D59Interchangeable
interchangeable cross-reference
interchangeable
97205Interchangeable
interchangeable cross-reference
interchangeable
A02HS185-1Interchangeable
interchangeable cross-reference
interchangeable
141527-10CR0262Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 20&55?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 20&55?
20&55 is a 20&55.
What parts can replace 20&55?
There are 4 known substitutes for 20&55: D59, 97205, A02HS185-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20&55?
20&55 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-043-0441. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 20&55

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026