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PartsTable / COMPONENT / 255319
255319 ✓ Verified by PartsTable
Equip · BOLT SCREW
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

The equip®Fiber Optic Patch Cord is made of superior materials to ensure an insertion loss, return loss, and endface geometry connection. The Fiber Optic Patch Cord series comes with a comprehensive collection of lengths and connectors to fulfill your demand for the deployment. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-408-7420, 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
255319
NSN: 5307-00-408-7420
FSC: 5307
CAGE: 0KDP7 — KIDDE-FENWAL, LLC (USA)
SPECIFICATIONS
special_features"PRIMUS - PRODUCT LINE RANGE INFORMATION MANAGEMENT SYSTEM"
end_item_identificationFIELD SIMULATOR AND TRAINING EQUIPMENT
NSN5307-00-408-7420
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 255319 · Equip ⚠ 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
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
SHOULDER LENGTH: 0.115 INCHES NOMINAL IN
•
THREAD LENGTH: 0.270 INCHES NOMINAL STUD THREAD IN
•
MATERIAL: STEEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5639 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) STUD THREAD
•
SHOULDER DIAMETER: 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND NUT THREAD
SHOULDER LENGTH0.115 INCHES NOMINAL IN
THREAD LENGTH0.270 INCHES NOMINAL STUD THREAD IN
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5639 ASSN STD SINGLE MATERIAL RESPONSE
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) STUD THREAD
SHOULDER DIAMETER0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF NUT THREAD
NOMINAL THREAD SIZE0.312 INCHES NUT THREAD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
255319Interchangeable
interchangeable cross-reference
interchangeable
PRECISION LINE LPD4Interchangeable
interchangeable cross-reference
interchangeable
1843770Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 255319?
255319 is a PUMP,COOLING SYSTEM,ENGINE manufactured by Equip.
What parts can replace 255319?
There are 3 known substitutes for 255319: 255319, PRECISION LINE LPD4, 1843770. Substitute compatibility should be verified for your specific system.
What is the NSN for 255319?
255319 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-408-7420. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026