PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 55468
55468 ✓ Verified by PartsTable
Hama · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

- Especially suitable for use of U3 software, enables the use of usual programs and personal data on all computers (without pre-installation and without leaving traces on the host computer!)<br>- E.g. for personified accounts (e-mail, eBay), VoIP access etc.<br>- Launchpad (German, English, French, Spain, Italian) to manage the U3 desktop menu<br>- U3 functionality only with special U3 software (download under www.u3.com)<br>- For Windows 2000 (with service pack 4) or Windows XP<br>- USB 2.0 (downward compatible)<br>- To be written and erased as often as required<br>- With clip and neck strap eyelet This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-660-3093, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
55468
NSN: 5310-00-660-3093
FSC: 5310
CAGE: 27682 — HATHAWAY CORPORATION (USA)
SPECIFICATIONS
materialIRON CAST
nut_styleHEXAGON
nut_height0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
point_typeCONVENTIONAL
point_angle118.0 DEGREES NOMINAL
shank_styleFLAT ROUND
flute_length3.000 INCHES NOMINAL IN
thread_class2B
thread_length12.0 MILLIMETERS NOMINAL MM
thread_seriesUNIFIED NATIONAL COARSE (UNC)
flute_quantity2
overall_length6.000 INCHES NOMINAL IN
NSN5310-00-660-3093
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 55468 · Hama ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
WIDTH ACROSS FLATS: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 56
•
NOMINAL THREAD SIZE: 0.086 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NUT HEIGHT: 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
SURFACE TREATMENT: OXIDE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
WIDTH ACROSS FLATS0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH56
NOMINAL THREAD SIZE0.086 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NUT HEIGHT0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
SURFACE TREATMENTOXIDE OVERALL
NUT STYLEHEXAGON
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
190 1-1/16Interchangeable
interchangeable cross-reference
interchangeable
55468Interchangeable
interchangeable cross-reference
interchangeable
EP42SInterchangeable
interchangeable cross-reference
interchangeable
6472382Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55468?
55468 is a PUMP,FUEL,ELECTRICAL manufactured by Hama.
What parts can replace 55468?
There are 4 known substitutes for 55468: 190 1-1/16, 55468, EP42S and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55468?
55468 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-660-3093. 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