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Technical Data Sheet
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2305-20 — FURNACE,METAL MELTING,GAS BURNIN

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2305-20: FURNACE,METAL MELTING,GAS BURNIN.

FURNACE,METAL MELTING,GAS BURNIN. This part is cataloged in the U.S. Government catalog under NSN 5315-00-451-0089, 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
2305-20
NSN: 5315-00-451-0089
NIINs: 004510089, 012514447, 014426949
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
general_characteristics_item_description21.000 IN. H; 23.000 IN. DIA; 240,000 BTU PER HR; SPARK IGNITION; 0 TO 2500 DEG F TEMP RANGE; 1.000 IN. PIPE SIZE; 120 VAC,50/60 HZ VAC
NSN5315-00-451-0089
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2305-20 · 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
•
FIRST END TAPER LENGTH: 0.031 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.3120 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 2.375 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.031 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.3120 INCHES NOMINAL IN
PIN OVERALL LENGTH2.375 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PART NAME ASSIGNED BY CONTROLLING AGENCYPIN, STRAIGHT, HEADLESS
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2305-20?
2305-20 is a FURNACE,METAL MELTING,GAS BURNIN.
What is the NSN for 2305-20?
2305-20 is cataloged in the U.S. Government catalog under NSN 5315-00-451-0089. 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.