PartsTable
Technical Data Sheet
6440 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: COPPER ALLOY OVERALL, body_style: ANGLE SHAPE, body_width: 1.250 INCHES MAXIMUM IN, bore_style: W/ KEYWAY BOTH ENDS, head_style: FLAT CHAMFER, shell_type: SOLID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-237-8296, 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 6440
NSN: 5306-00-237-8296
FSC: 5306
CAGE: 52793 — SAGINAW PRODUCTS CORPORATION DBA CIGNYS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
body_styleANGLE SHAPE
body_width1.250 INCHES MAXIMUM IN
bore_styleW/ KEYWAY BOTH ENDS
head_styleFLAT CHAMFER
shell_typeSOLID
tooth_formSTANDARD
body_height1.500 INCHES MAXIMUM IN
body_length1.000 INCHES NOMINAL IN
head_height0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
corner_shapeSQUARE ALL CORNERS
shank_length120.000 INCHES NOMINAL IN
NSN5306-00-237-8296
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6440 · OEM ⚠ 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 STYLE: FLAT CHAMFER
HEAD HEIGHT: 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: STEEL COMP 4140 OVERALL
SHOULDER DIAMETER: 0.534 INCHES MINIMUM AND 0.539 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER LENGTH: 0.495 INCHES NOMINAL FIRST SHOULDER IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEFLAT CHAMFER
HEAD HEIGHT0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
SHOULDER DIAMETER0.534 INCHES MINIMUM AND 0.539 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER LENGTH0.495 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
D-E-10005Interchangeable
interchangeable cross-reference
interchangeable
6440Interchangeable
interchangeable cross-reference
interchangeable
40Interchangeable
interchangeable cross-reference
interchangeable
5416K22Interchangeable
interchangeable cross-reference
interchangeable
700A376010Interchangeable
interchangeable cross-reference
interchangeable
405AS110-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6440?
6440 is a RESISTOR,FIXED,WIRE WOUND,INDUCT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 6440?
There are 14 known substitutes for 6440: D-E-10005, 6440, 40 and 11 more. Substitute compatibility should be verified for your specific system.
Is 6440 still available?
6440 is currently cancelled.
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