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905311 — CIRCUIT BREAKER

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

905311: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, body_style: SINGLE POLE TYPE, body_width: 0.570 INCHES NOMINAL IN, head_style: HEADLESS (SETSCREW), body_length: 1.140 INCHES NOMINAL IN, point_style: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-075-5965, 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→ 905311
NSN: 5305-00-075-5965
NIINs: 000755965, 011787296
FSC: 5305 — Screws
CAGE: A274N — SCANDINAVIAN MANUFACTURING SCAMA AB (SWE)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
body_styleSINGLE POLE TYPE
body_width0.570 INCHES NOMINAL IN
head_styleHEADLESS (SETSCREW)
body_length1.140 INCHES NOMINAL IN
point_styleFLAT
reset_methodMANUAL
spline_width0.010 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
storage_typeGENERAL PURPOSE WAREHOUSE
thread_class2A A
pole_quantity1
thread_length0.749 INCHES MINIMUM IN
NSN5305-00-075-5965
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 905311 · 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
•
SPLINE MINOR DIAMETER: 0.040 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.843 INCHES NOMINAL IN
•
SPLINE WIDTH: 0.010 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.749 INCHES MINIMUM IN
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
•
SPLINE MAJOR DIAMETER: 0.049 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
TECHNICAL CHARACTERISTICS
SPLINE MINOR DIAMETER0.040 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
FASTENER LENGTH0.843 INCHES NOMINAL IN
SPLINE WIDTH0.010 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
THREAD LENGTH0.749 INCHES MINIMUM IN
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
SPLINE MAJOR DIAMETER0.049 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
SUBSTITUTES & CROSS-REFERENCES 3
5305PL0791602Reference document
Same NSN cross-reference
Reference document — Informative reference only
52W2081-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
756171121200Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 905311?
905311 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 905311?
There are 3 known substitutes for 905311: 5305PL0791602, 52W2081-4, 756171121200. Substitute compatibility should be verified for your specific system.
What is the NSN for 905311?
905311 is cataloged in the U.S. Government catalog under NSN 5305-00-075-5965. This indicates validated use in U.S. government and defense supply chains.
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