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SP-640 — SP-640

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

SP-640: SP-640.

The SP-640 is a the manufacturer industrial component. Key specifications include body_depth: 0.225 INCHES NOMINAL IN, body_style: RECTANGULAR, body_width: 0.320 INCHES NOMINAL IN, body_length: 0.850 INCHES NOMINAL IN, mounting_facility: PLUG-IN, signal_delay_method: INDUCTANCE. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-389-1733, 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→ SP-640
NSN: 5315-00-389-1733
NIINs: 003891733, 011584530
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
body_depth0.225 INCHES NOMINAL IN
body_styleRECTANGULAR
body_width0.320 INCHES NOMINAL IN
body_length0.850 INCHES NOMINAL IN
mounting_facilityPLUG-IN
signal_delay_methodINDUCTANCE
terminal_type_and_quantity16 PIN
individual_section_quantity2
NSN5315-00-389-1733
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SP-640 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SHANK DIAMETER: 0.125 INCHES NOMINAL IN
•
FIRST END LOCATION: SHOULDER END
•
FIRST END STYLE: ROUND
•
SHANK LENGTH: 0.156 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-16124,CL 1 COMP A MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.125 INCHES NOMINAL IN
FIRST END LOCATIONSHOULDER END
FIRST END STYLEROUND
SHANK LENGTH0.156 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-16124,CL 1 COMP A MIL SPEC ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH0.656 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SHOULDER DIAMETER0.188 INCHES NOMINAL IN
SPECIAL FEATURESONE DRILLED HOLE IN SHOULDER 0.051 TO 0.056 IN. DIA LOCATED 0.422 TO 0.427 IN. FROM LONGITUDINAL AXIS IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SP-640?
SP-640 is a SP-640. It is classified as a MRO (MRO_GENERAL).
What is the NSN for SP-640?
SP-640 is cataloged in the U.S. Government catalog under NSN 5315-00-389-1733. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.