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578-41 — LEVER,RATCHET

✓ Government record, cited
LG · BOLT SCREW
PRODUCT OVERVIEW

578-41: LEVER,RATCHET.

The LEVER,RATCHET is a LG industrial component. Key specifications include document_type: INDUSTRIAL DRAWING, document_source: 99167, document_identification: 57841, end_item_identification: AIRCRAFT E-3A,AGE A, component_document_origin: INDUSTRIAL. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-687-6724, 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
578-41
NSN: 5305-00-687-6724
NIINs: 006876724, 010490163, 011809826
FSC: 5305 — Screws
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
document_typeINDUSTRIAL DRAWING
document_source99167
component_quantity4
document_identification57841
end_item_identificationAIRCRAFT E-3A,AGE A
component_document_originINDUSTRIAL
component_document_page_number1
NSN5305-00-687-6724
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 578-41 · LG ⚠ 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: 0.089 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.297 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.089 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH0.297 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
SUBSTITUTES & CROSS-REFERENCES 8
ANS503Reference document
Same NSN cross-reference
Reference document — Secondary reference
390011Reference document
Same NSN cross-reference
Reference document — Secondary reference
8017845PT28Reference document
Same NSN cross-reference
Reference document — Secondary reference
8017845P28Reference document
Same NSN cross-reference
Reference document — Secondary reference
34490Reference document
Same NSN cross-reference
Reference document — Secondary reference
9741829-14Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 578-41?
578-41 is a LEVER,RATCHET manufactured by LG.
What parts can replace 578-41?
There are 8 known substitutes for 578-41: ANS503, 390011, 8017845PT28 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 578-41?
578-41 is cataloged in the U.S. Government catalog under NSN 5305-00-687-6724. This indicates validated use in U.S. government and defense supply chains.
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