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Technical Data Sheet

181641 — Technical Data Sheet

✓ Verified by PartsTable
Hama · 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 ADAPTER,STRAIGHT,PIPE TO BOSS is a Hama industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, thread_class: 3B SECOND END, connection_type: THREADED INTERNAL BOSS SECOND END, connection_style: GASKET SEAL (BOSS) SECOND END, surface_treatment: CADMIUM OVERALL, nominal_thread_size: 0.750 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System under NSN 5305-00-721-5896, 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
181641
NSN: 5305-00-721-5896
FSC: 5305
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
thread_class3B SECOND END
connection_typeTHREADED INTERNAL BOSS SECOND END
connection_styleGASKET SEAL (BOSS) SECOND END
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.750 INCHES ALL ENDS IN
nominal_overall_length2.000 INCHES IN
thread_series_designatorNPT FIRST END
material_document_and_classificationQQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5305-00-721-5896
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 181641 · Hama ⚠ 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 CLASS: 2A A
•
HEAD HEIGHT: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
•
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL: STEEL OVERALL
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 1.375 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS
THREAD CLASS2A A
HEAD HEIGHT0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL OVERALL
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.375 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
18164InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1AX17InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
FFS85TYPE11STYLE10PGRADE5InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
MS35298-63InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
3AX704InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
60X3209InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 181641?
181641 is a ADAPTER,STRAIGHT,PIPE TO BOSS manufactured by Hama.
What parts can replace 181641?
There are 6 known substitutes for 181641: 18164, 1AX17, FFS85TYPE11STYLE10PGRADE5 and 3 more. Substitute compatibility should be verified for your specific system.
Is 181641 still available?
181641 is currently cancelled.
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