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Technical Data Sheet
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40-41 — EQUALIZER,TELEPHONE LINE

✓ Government record, cited
Hama · MRO · MRO_GENERAL
PRODUCT OVERVIEW

40-41: EQUALIZER,TELEPHONE LINE.

- With special suction cup for smooth surfaces - For cameras up to 1.7 kg. - With quick-release system Click, (B) 1/4 threaded hole and spring video pin for easy attaching and detaching of the camera. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-065-3194, 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
MRO→ MRO_GENERAL→ 40-41
NSN: 5305-00-065-3194
NIINs: 000653194, 000812477, 001174290, 001954731, 002212728, 002252737, 004037621, 004137240, 005425100, 005635972, 006637932, 006758124, 008155563, 010085912, 011030434, 013826209, 013910730, 014000221, 014652138, 014654777, 016282132
FSC: 5305 — Screws
CAGE: 00141 — ROLLER BEARING CO OF AMERICA, INC DIV PIC DESIGN (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
bonnet_typeINSIDE SPRING
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_styleGASKET SEAL (PIPE) FIRST END
special_featuresFOR REMOVING BATTERY TERMINALS
style_designatorANGLE
thread_directionRIGHT-HAND FIRST END
disk_loading_methodSPRING
nominal_thread_size3.000 INCHES FIRST END IN
valve_operation_methodAUTOMATIC
end_item_identificationFIRE FIGHTING EQUIPMENT,TRUCK MOUNTED
bonnet_attachment_methodPRESSURE SEAL, RING TYPE
NSN5305-00-065-3194
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 40-41 · 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
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HEAD HEIGHT: 0.188 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.625 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
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NOMINAL THREAD DIAMETER: 0.190 INCHES IN
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HEAD STYLE: KNURLED NO. 1
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THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: FLAT
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.188 INCHES NOMINAL IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD LENGTH0.625 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEKNURLED NO. 1
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES 1
PQ-32-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 40-41?
40-41 is a EQUALIZER,TELEPHONE LINE manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What parts can replace 40-41?
There is 1 known substitute for 40-41: PQ-32-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 40-41?
40-41 is cataloged in the U.S. Government catalog under NSN 5305-00-065-3194. This indicates validated use in U.S. government and defense supply chains.
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