PartsTable
Technical Data Sheet
56609 ✓ 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

The SCREW,SOCKET is a Hama industrial component. Key specifications include hole_diameter: 1.792 INCHES MINIMUM AND 1.817 INCHES MAXIMUM IN, hardness_rating: 50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM, outside_diameter: 2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN, style_designator: KEY, material_thickness: 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN, external_key_quantity: 17. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-186-0968, 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
56609
NSN: 5310-00-186-0968
FSC: 5310
CAGE: 44114 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
hole_diameter1.792 INCHES MINIMUM AND 1.817 INCHES MAXIMUM IN
hardness_rating50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
outside_diameter2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN
style_designatorKEY
material_thickness0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
external_key_quantity17
external_prebent_key_width0.200 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
internal_prebent_key_width0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
internal_prebent_key_length0.125 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
overall_distance_including_keys2.734 INCHES MAXIMUM IN
material_document_and_classificationFED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-186-0968
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 56609 · 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
MATERIAL: STEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OVERALL
INTERNAL PREBENT KEY LENGTH: 0.125 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
INTERNAL PREBENT KEY WIDTH: 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
HOLE DIAMETER: 1.792 INCHES MINIMUM AND 1.817 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS: 2.734 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY: 17
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OVERALL
INTERNAL PREBENT KEY LENGTH0.125 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
INTERNAL PREBENT KEY WIDTH0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
HOLE DIAMETER1.792 INCHES MINIMUM AND 1.817 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS2.734 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY17
STYLE DESIGNATORKEY
EXTERNAL PREBENT KEY WIDTH0.200 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
W09Interchangeable
interchangeable cross-reference
interchangeable
411267Interchangeable
interchangeable cross-reference
interchangeable
S37X12Interchangeable
interchangeable cross-reference
interchangeable
P115Interchangeable
interchangeable cross-reference
interchangeable
10182Interchangeable
interchangeable cross-reference
interchangeable
6182Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56609?
56609 is a SCREW,SOCKET manufactured by Hama.
What parts can replace 56609?
There are 25 known substitutes for 56609: W09, 411267, S37X12 and 22 more. Substitute compatibility should be verified for your specific system.
Is 56609 still available?
56609 is currently cancelled.
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